Where does the fixed nitrogen that enters the ocean come from?

Answers

Answer 1

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The ocean absorbs nitrogen gas from the atmosphere. In open-ocean areas with low concentrations of nutrients (“oligotrophic” regions), some of this nitrogen is taken up by microbes and transformed into various chemical compounds.

ThanksHope it helps

Related Questions

1. This question may be completed independently or as a group exercise. Biological anthropologists disagree about the best way to classify the robust australopithecines. Describe the two approaches to classifying these species. Which classification do you support

Answers

Answer:

Some researchers classify Australopithecines into gracile australopithecines and robust australopithecines, while others argue that differences are enough strong to classify robust australopithecines in their own genus called 'Paranthropus'. In my opinion, it seems reasonable to obtain more fossil data in order to support this division  

Explanation:

The term Australopithecines comes from the genus Australopithecus, which are the closest known relatives of our genus Homo, and arose around three (3) million years ago. Australopithecines can be classified into two major groups called gracile australopithecines and robust australopithecines. However, robust australopithecines have also been classified in their own genus, Paranthropus, in order to distinguish them from the gracile australopithecines. The major differences between gracile and robust species are associated with facial and cranial features. Paranthropus species had a large sagittal crest, enormous cheek teeth, robust jaws, and strong jaw muscles (suggesting they were herbivores that ate tough food). However, these main features may not be conclusive evidence that supports the separation of Paranthropus in its own clade, thereby in my opinion it should be reasonable to wait until more fossils are found in order ​to correctly classify Paranthropus species as a different group.

Name the type of energy lost by the water

Answers

Potential energy kinetic energy
Potential energy and kinetic energy

CURRENTLY ON A POST TEST: 50 POINTS
Recently a local government has observed that the number of people suffering from respiratory diseases has increased. What measures can the local government take in order to reduce health risks?

A. force everyone to stop using cars
B. shut down all the factories
C. reduce public transport facilities
D. ban carpooling systems
E. implement standards on the smoke emissions from factories

this is supposed to be environmental science, but there isnt even an option for science so im going to put it as Biology

Answers

Answer:

For more than forty-five years the Clean Air Act has cut pollution as the U.S. ... New cars, trucks, and nonroad engines use state-of-the-art emission control technologies. ... EPA has taken initial steps to limit emissions that cause climate change and ... This progress reflects efforts by state, local and tribal governments; EPA; ...

Explanation:

Answer:

E. implement standards on the smoke emissions from factories

Explanation:

I hope this helps you! ☺️

uue
False
Question 10 (6.667 points)
What is the currently recognized classification scheme?
A) two-kingdom system
B) five-kingdom system
OC) biogeography
OD) three-domain system​

Answers

B. Five kingdom system

The currently recognized classification scheme is the five - kingdom system.

The five kingdom classification involves the grouping of living organisms into classes such that organisms in each class share similar characteristics such as : reproductive process, homeostasis, growth, mode of nutrition, cell structure and so on.

The five kingdom classes include :

Kingdom Monera

Kingdom protista

Kingdom plantae

Kingdom Fungi

Kingdom Animalia.

Learn more https://brainly.com/question/16021065?referrer=searchResults

HELP WITH THESE ASAP NO LINKS PLS

Answers

Answer:

12. A

13. A

Explanation:

12. A chemical reaction occurs when something new is transformed and changed chemically. The other answer choices, B, C, and D are physical changes; nothing new is really being created.

13. When water is heated to become a gas, that term is called boiling. Hence the name, boiling point.

In mouse, genes X, Y and Z are on chromosome 2. The map of genes X, Y and Z is:

X--------20mu--------Y---------------30mu---------Z.

You cross an individual with genotype XXYYZZ to an individual with genotype xxyyzz, and F1 progeny are collected. Assume interference between regions (X-Y and Y-Z) is 40%. You then perform a cross between an F1 individual and an individual with genotype xYz/xyz. Among 1000 progeny, how many of them will be of the genotype xxyyzz?

Answers

Answer:

36 individuals xxyyzz

Explanation:

Available data:

X-Y = 20MUY-Z = 30MUCross: XXYYZZ   x    xyyzzF1= XxYyZzI = 40%2nd Cross: XxYyZz  x  xxYyzzF2 = 1000 individuals

We need to know how many individuals from the F2 are going to be xxyyzz

xxyyzz genotype is the result of a double recombinant event.

First, we need to analyze the given information:

→ Distances between genes

The genetic distance result from multiplying the recombination frequency of each region by 100 and expressing it in map units (MU). So, if we have the genetic distance we can divide it by 100 and get the recombination frequency:

Let us say that region I is the distance between X and Y. And region II is the distance between Y and Z.

GD = genetic distance

RF = Recombination frequency

GD (X-Y) = RF x 100

20MU = RF x 100

20MU/100 = RF

0.2 = RF (Region I)

GD (Y-Z) = RF x 100

30MU = RF x 100

30MU/100 = RF

0.3 = RF (Region II)      

Now we have the recombination frequency of Region I and Region II.

→ Interference    

Knowing the interference value will let us know the value of the coefficient of coincidence, which will also lead us to the number of individuals xxyyzz.

I = 40%

I = 1 - CC   ⇒ CC = coefficient of coincidence

Clearing this equation gives us the value of CC

CC = 1 - I

CC = 1 - 40% = 1 - 0.4

CC = 0.6

To calculate the coefficient of coincidence, CC, we can also use the next formula:

CC = observed double recombinant frequency/expected double recombinant frequency

Now, we are interested in knowing the value of the observed double recombinant frequency.

Note:  

observed double recombinant frequency = total number of observed double recombinant individuals/total number of individuals expected double recombinant frequency = recombination frequency in region I x recombination frequency in region II.

So, to get the value of the observed double recombinant frequency, first, we need to get the value of the expected double recombinant frequency. And we can do it because we already have the recombination frequencies in both regions.

expected double recombinant frequency = recombination frequency in region I x recombination frequency in region II

- Recombination Frequency - RI = 0.2

- Recombination Frequency  - RII = 0.3

expected double recombinant frequency = 0.2 x 0.3

expected double recombinant frequency = 0.06 = EDRF

Now that we know the value of the CC and the expected DRF, we can get the observed double recombinant frequency.

CC = observed double recombinant frequency/expected double recombinant frequency

- CC = 0.6

- EDRF = 0.06

CC x expected double recombinant frequency = observed double recombinant frequency

0.6 x 0.06 = observed double recombinant frequency

0.036 = observed double recombinant frequency = ODRF

Finally, as this is a frequency, we need to multiply it by the total number of individuals in the F2 to get the number of observed double recombinant individuals.

- ODRF = 0.036

- N = 1000

Double recombinant individuals = 0.036 x 1000 = 36 individuals xxyyzz.

Cómo es posible enviar sin cables mensajes o imágenes de un
celular a otro​

Answers

i don’t speak Spanish pendeja. but stay safe. and have fun lol and the answer is translated. stay safe !!!

Which of the following is not a type of fossil fuel?
petroleum
nuclear energy
coal
natural gas

Answers

Answer: Nuclear energy

Explanation:

Answer:

I say the answer nuclear energy!!

Explanation:

Nuclear energy is not a fossil fuel!!

From this diagram of fossils (sorry it’s a bit blurry) which layer is the youngest and which layer is the oldest? How do you know?

Answers

Answer:

The bottom layer is the oldest, and the top layer is the youngest

Explanation:

As time goes on more and more sediment gets piled onto a certain place, meaning the oldest fossils will keep getting deeper and deeper

Freshwater plants that have adapted to very moist conditions live in which type of biome?
an estuary
coral reefs
the ocean
a wetland

Answers

Answer:

A wetland

Explanation:

All the others are salt water

Answer:

wetland

Explanation:

Freshwater ecosystems can be grouped as those that are still, those that are flowing, and those that contain salt. (True or False)

Answers

Answer:

true

Explanation:

which two types of natural resources are required to make bottled water?

A. metals
B. fossil fuels
C. living things
D. freshwater

Answers

Answer:

B. fossil fuels

A. metals

Explanation:

Answer:

Fossil fuels and Freshwater

Explanation:

took the test

Which of the following statements is true?

Energy from the sun is used by plants to make food.

The sun is made of mostly hydrogen and helium.

The sun is the most massive object in the solar system.

all of the above

Answers

Answer:

All of the above

Explanation:

hope this helps

what is the main difference between the plant cell and Animal cell

Answers

Answer:

PLANT CELLS HAVE A CELL WALL

Explanation:

THANK ME LATER

Answer:

Heyaa!! My Name Is Pinky and i'm here to inform you that you're answer is...

Explanation:

!!!! there are a few differences between plant and animal cells BUT!! one major difference is their structure, animals are enclosed by a cell membrane, but plant cells have a cell membrane and a cell wall to give them a more solid form another major difference is that plant cells have chloroplasts for photosynthesis whereas animal cells do not because they do not undergo photosynthesis !!!!

  Have an amazing day!!!

~Pinky~

The Pine Tree shown below is a common gymnosperm. Name three adaptations this tree has that allow it to live on land

Answers

A waxy cuticle that covers the outer surface of the plant and prevents drying out through evaporation. The cuticle also partially protects against radiation damage from UV light.

Stomata (singular: stoma) are present in all land plant lineages except liverworts (similar to -but not the same as! – mosses). Stomata are pores or holes which allow for exchange of gasses (such as oxygen and carbon dioxide) between the plant cells and the environment. Stomata or similar structures are necessary in land plants because the waxy cuticle blocks free-flow of gasses.

Roots (or root-like structures) anchor plants to the soil and—in plants with true roots— serve as conduits for water absorption. All land plants except Bryophytes (mosses, liverworts, and hornworts) have true roots. Bryophytes have root-like structures called rhizoids that anchor them to their substrate but are not involved in water absorption (which is less important for Bryophytes because they can only survive in very moist environments).

Mutualistic association with mycorrhizal fungi, which are tightly associated with plant roots. Mychorrhizal fungi are associated with approximately 80% of all land plant species and provide additional surface area for absorption of both water and nutrients from the soil. The fungi share these resources with the plant roots, and—in exchange— the plant shares photosynthetic sugar products with the fungi.

The alternation of generations life cycle, which includes both a multicellular haploid stage and a multicellular diploid stage. Why is this an adaptation to life on land? It isn’t, in and of itself—in fact, it also occurs in *some* green algae, which are aquatic but share a common ancestor with all land plants. But specific adaptations to the alternation of generations life cycle have occurred in different lineages of plants, and those adaptations DO function as adaptations to life on land. We’ll consider these adaptations later in this reading.

These are from my text book, from last year.

Answer:

It has cuticle, a waxy, airtight seal that covers plants and allows them to retain water.

It has seeds, plant embryos without a protective cover on the scales of a cone which allows them to disperse into new locations.

It has pollen, but it is not produced in flowers, which allows it to reproduce without the need of water.

Explanation:

pleeeaaaseee helppp meeeee ​

Answers

Answer:

1. Fossils

2. Evolution

3. vestigial

4. analogous

5.Homologous

6.Embryology

Help is needed please

Answers

Answer:

Genotypes are listed in the right column of the table, while phenotypes are on the left.

There are more genotypes than phenotypes for blood types because multiple genotypes that can result in 1 phenotype

Which group of organisms would Schleiden have been most likely to study?

Answers

Answer: flower, pine tree, or cactus.

Explanation:

Answer:

A: flower,pine tree,or cactus

Explanation:

Edge 2021

Please answer fast ASAP I give brainliest



How is light penetration likely to affect the distribution of plants in the lake ?

Answers

Explanation: In the open water zone (or photic zone) sunlight supports photosynthetic algae and the species that feed upon them. In the deep water zone, sunlight is not available and the food web is based on detritus entering from the littoral and photic zones.

Hope this helps!!

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Have a great day!!

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7. Which of the following determines how quickly nutrients are absorbed? *
A. The cell's attitude
B. The cell's ribosomes
C. The cell's surface area/volume ratio
D. The cell's DNA

Answers

B should be correct

During meiosis, homologous chromosomes exchange genetic material during a process
called crossing-over. This exchange of genetic material -

A. Reduces the diploid number to the haploid number

B. Increases the genetic variation

C. Reduces the probability of mutations

D. Increases the haploid number to the diploid number

Answers

Answer:

B. Increases the genetic variation

Explanation:

HELP WITH THESE ASAP NO LINKS PLS

Answers

16. should be B) Chemical Properties of Water.

Because those are all examples of chemical changes of water.

17. should be B) The liquid will remain a liquid.

Because 52° C is the same as 125.6° F.

what are the components of the atmosphere that help organisms live on earth?
EXPLAIN and I will make you brainliest!!!

Answers

Answer: Atmospheric gases, especially carbon dioxide (CO2) and oxygen (O2), are extremely important for living organisms. Carbon dioxide and oxygen are the gases in the atmosphere that are needed for life. Plants need carbon dioxide for photosynthesis. They use sunlight to change carbon dioxide and water into food. The process releases oxygen

Explanation:

Is bacteria prokaryotic or eukaryotic

Answers

The answer to this question is Prokaryotes
It’s the second word

I WILL GIVE BRAINLIEST AND EVERYTHING IF YOU HELP ME

In order to go through Mitosis, DNA is packaged into structures known as what.


a

Enzymes

b

Chromosomes

c

Double Helix strands

d

Nucleic Strands

Answers

Answer:

b:chromosomes

Explanation:

hope you get it

Question 5
How do increases in the carrying capacity of Earth for people affect the carrying capacity of Earth for other species?
Select one:

It increases for most species.

It decreases for all species.

It decreases for most species.

It increases for all species.

Answers

Answer:

It increases for most species.

Describe the levels of organization found in your neighborhood from the smallest level of organization to the largest.

Answers

Answer:tissue

Explanation:

Tissues are groups of cells that have a similar structure and act together to perform a specific function. The word tissue comes from a form of an old French verb meaning “to weave”. ... Groups of tissues make up organs in the body such as the brain and heart.

True or False? The skills and characteristics needed for a high-quality friendship are the same skills and characteristics needed in a committed long-term relationship or marriage.

Answers

True
Hope this help

Which of the following statements about yeasts are true?
1) Yeasts are fungi
2) Yeasts can form pseudohyphae
3) Yeasts reproduce asexually by budding
4) Yeasts are facultatively anaerobic
5) All yeasts are pathogenic
6) All yeasts are dimorphic
Select the option below that contains the numbers referring to true statements.
NO LINKS!!!

Answers

Answer:

Yeasts are fungi, that is the answer

What is the hallmark of a chemical change?

Answers

There are five signs that indicate a chemical reaction has occurred: odor, energy change, gas bubbles, precipitate formation, and color change. When any of these changes occur, the reaction is irreversible and cannot be undone.
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Please help I need to do this for e test ahhhh What is the purpose of this excerpt?O to identify the strength of local, family-runbusinessesO to encourage people to buy fresh Louisiana seafoodAmerican seafood, and Louisiana Seafood in particular, isa premium product with a unique flavor that is a result ofthe waters where it lives and grows. Chefs nationwideswear by domestic seafood-its freshness, quality andflavor bring value and diners to their restaurants day inand day out.And all along the nation's shorelines-Louisiana alonehas 7.721 miles--you'll find an industry built on thelocalized, often family-run businesses that supply ournation with fresh domestic seafood. 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Tell me about this shot. Genotype describes the specific genetic characteristics of a living thing and cannot be __________________. Phenotype describes the physical characteristics in the ___________________________ of an organism. When doing curls, John is careful to extend through the full range of motion and quickly lock his elbows to make sure that he does not drop the weight. This is an example of A box is 6 inches long, 4 inches wide, and 3 incheshigh. What is the volume of the box? What was the idea of the 442nd? Were they successful? Why or why not? The freight charge on a shipment of 1200 kg is $84.00.Which is the rate per 100 kg?A. $0.78B. $4.00C. $5.70D. $7.00dE. $10.08 The diagram shows a sphere with center O and a radius of 4 Inches that has been cut by a plane. The cross-sectionformed by the plane is shaded.Which shape is a possible representation of the cross section? TB MC Qu. 10-144 (Algo) Doogan Corporation makes a product ... Doogan Corporation makes a product with the following standard costs: Standard Quantity or Hours Standard Price or Rate Direct materials 2.0 grams $ 7.00 per gram Direct labor 0.8 hours $ 16.00 per hour Variable overhead 0.8 hours $ 4.00 per hour The company produced 4,400 units in January using 10,140 grams of direct material and 2,120 direct labor-hours. During the month, the company purchased 10,710 grams of the direct material at $7.40 per gram. The actual direct labor rate was $16.95 per hour and the actual variable overhead rate was $3.70 per hour. The company applies variable overhead on the basis of direct labor-hours. The direct materials purchases variance is computed when the materials are purchased. The materials quantity variance for January is: write an equivalent expression by applying the distributive property (x-5)^2 WILL GIVE BRAINLEST!!!!!! Phil wrote the sentence below using the information from the article "The Works of 18th Century" by Harold Vandergriff and Libby Evanston. It was published in the newspaper London Central on June 28, 2009. It was found on page E2.During the height of the Qing Dynasty in the 18th century, the Guoqing Temple was renovated, which helped preserve its place in Chinese history.Which of the following is the best way to cite the source in this sentence?A. During the height of the Qing Dynasty in the 18th century, the Guoqing Temple was renovated, which helped preserve its place in Chinese history (Vandergriff and Evanston E2).B. During the height of the Qing Dynasty in the 18th century, the Guoqing Temple was renovated, which helped preserve its place in Chinese history (London E2).C. During the height of the Qing Dynasty in the 18th century, the Guoqing Temple was renovated, which helped preserve its place in Chinese history (E2).D. 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