how do gray whales migrate?

Answers

Answer 1

Answer:  Grey whales travel 12,000 miles round-trip from their feeding grounds in the Arctic to calve and breed in the Baja lagoons, and then back again.

Explanation:


Related Questions

What happens at the temperature shown?

Answers

Answer:

particles would stop moving

Explanation:

Answer:c

Explanation:

This is for science
What are air pressure, humidity, clouds, and temperature called?
a elevation pressure
b elementary aspects
c elements of weather
d elements of climate

Answers

C. elements of weather

Which statements accurately describe fermentation? Select two options.

Oxygen is present during this process.
Cells may convert pyruvic acid to lactic acid.
NAD+ is converted to NADH.
Fermentation is an anaerobic process.
Additional ATP is produced after glycolysis.

Answers

Answer:

The answers are the second and fourth ones.

Explanation:

I did the assignment.

The statements that accurately describe fermentation are cells may convert pyruvic acid to lactic acid, and fermentation is an anaerobic process. The correct options are B and D.

What is fermentation?

Fermentation is an anaerobic chemical process that breaks down molecules like glucose. More specifically, fermentation is the bubbling that happens during the creation of wine and beer, a procedure that has been around for at least 10,000 years.

It is different from aerobic respiration because it occurs in the absence of oxygen and aerobic respiration occurs in the presence of oxygen. The product of fermentation is lactic acid, which is produced from pyruvic acid.

Thus, the correct options are: B, Cells may convert pyruvic acid to lactic acid, and D, Fermentation is an anaerobic process.

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what is the relationship between size and complexity?

Answers

Answer:

"The relational complexity in small groups increases rapidly with small increases in size." a greater rate than does the size of the group." forms of communication," to establish the importance of the concept of organizational com- plexity to the size relationship.

I just need these questions answered, you can take your time. I’ll give you 20 points and brainliest if correct!

1. Water (Hydrogen and Oxygen)
A. Element
B. Compound

2. Coal (Carbon)
A. Element
B. Compound

3. Carbon Dioxide (Carbon and Oxygen)
A. Element
B. Compound

4. Oxygen
A. Element
B. Compound

5. Chalk (Calcium, Carbon and Oxygen)
A. Element
B. Compound

6. Wax (Carbon and Hydrogen)
A. Element
B. Compound

7. Table Salt (Sodium and Chloride)
A. Element
B. Compound

8. Caffeine (Carbon, Hydrogen, Nitrogen, and Oxygen)
A. Element
B. Compound

Answers

Water: compound
Coal: I think compound
Carbon dioxide: compound
Oxygen: element
Chalk: compound
Wax: compound
Table salt: compound
Caffeine: compound

What are the products of photosynthesis?

A. Water and oxygen
B. Glucose and oxygen
C. Carbon dioxide and water
D. Carbon dioxide and glucose

Answers

Glucose and oxygen are products.

Answer:

B. Glucose and oxygen are the products of photosynthesis

Explanation:

I hope it helps ❤️❤️

Which of the following are predators? There may be more than one answer.

cat
bee
rabbit
spider
snake
lion

Answers

Answer:

Cat, Spider,Snake,lion

Snake ,lion ,there may be more

The gradual ______________________ of one plant community by another through natural processes over time.

Answers

Answer:

The gradual replacement of one plant community by another through natural processes over time.

Explanation:

Succession is a process dominated by plants, in which communities change as a function of the changes experienced by plant communities, that is, it is the natural evolutionary process by which some species gradually take the place of others less adapted to the environment. Ecological succession tries to predict the changes that occur in ecosystems over long periods of time, that is, the temporary directional change in the composition or structure of a community  over time.

any # answer is validasapp

Answers

Answer:

#6

Explanation:

Radioactive dating technique

To confirm the ages obtained with magnetic records, and get an absolute age of the seafloor, scientists use the radioactive dating technique. When the lava solidifies at the ridges to form the new seafloor, radioactive elements coming from the mantle are trapped in it.

which of the following is a density dependent limiting factor?

Answers

There is no picture???

Electron transport from complex I to complex IV pumps more protons than transport from complex II to complex IV.
With this in mind, which will produce more ATP

A. Transport from complex I produces more ATP.

B. Transport from complex II produces more ATP.

C. Both produce the same amount of ATP.

Answers

Answer:

A

Explanation:

ATP synthase uses a proton gradient to make ATP. Since transport from complex I creates a larger proton gradient, it also produces more ATP.

Electron transport from complex I produces more ATP.

ELECTRON TRANSPORT CHAIN:

The electron transport chain, ETC, is the third and last stage of aerobic cellular respiration. It produces the highest molecules of ATP in cellular respiration.

The ETC involves the transfer of electrons to series of molecules in order to create an electrochemical gradient needed for ATP synthesis.

The electron transport chain is made up of four complexes namely: Complex I, II, III and IV. NADH and FADH2 produced in the Krebs cycle are the electron carriers.

Complex I pumps more hydrogen ions (H+) from the mitochondrial matrix to the intermembrane space.

Since the pumped is directly related to the number of ATP molecules, complex I will produce more ATP molecules.

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A scientist is treating rice plants with a chemical that causes mutations. What is the possible benefit of this treatment? A. clones B. transgenic plants C. increased genetic variation D. increased hybridization

Answers

Answer:

Explanation:

Its either B or C, look closely at the question and at the answers, you can narrow it down from then.

A scientist is treating rice plants with a chemical that causes mutations. The possible benefit of this treatment is transgenic plants. Hence, the correct option is B.

What is mutation?

A mutation is a change in the DNA sequence that makes up a gene. It can result from  errors in DNA replication or exposure to mutagenic agents such as chemicals or radiation, or from spontaneous changes.

Transgenic plants are the plants that have been genetically modified to express specific traits or traits that are not found in the original species. This is done by introducing foreign DNA or chemicals that change the plant's genome. This process is called genetic engineering.

Transgenic plants have become an important tool in agriculture and biotechnology, providing new opportunities for food production, environmental protection and economic growth. Hence, the correct option is B.

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A Before prophase II begins, does the DNA in the cell duplicate itself?___________

B. During metaphase II, do homologous chromosomes pair up as in metaphase I?__________

C. How does anaphase II differ from anaphase I?_________

D. At the end of anaphase II , how many chromatids are on each side of the cell ?___

E. After cytokinesis , how many cells have been formed from the parent cell ?_______

F. Are all of the cells the same size ? _______​

Answers

Answer:

for F no

Explanation:

no cells are the same because all people ate different and can not be precisely the same as cells.

please HELP me i cant fail this class What are the two forces of gravity that contribute to tectonic plate movement at mid-ocean ridges?

Ridge subduction and slab flight


Ridge slip and slab slide


Ridge push and slab pull


Gravity does not pull them

Answers

Answer:

"Plate movement is thought to be driven by a combination of the motion of the seafloor away from the spreading ridge (due to variations in topography and density of the crust, which result in differences in gravitational forces) and drag, with downward suction, at the subduction zones."

Explanation:

Does this help?

It is because of ridge slip and slab slide i the divergent plate boundaries, where tectonic plates movement creates mid ocean ridges.

What is divergent boundary?

Divergent plate boundaries are the regions where the tectonic plates are diverging from one another, this is known as a divergent plate boundary. Above upward convection currents, this happens.

The lithosphere's base is pushed upward by the rising current, which lifts it off the ground and flows lateral currents beneath it. When an oceanic lithosphere border diverges, the rising convection current beneath raises the lithosphere, creating a mid-ocean ridge.

The plate material above is dragged along in the flow direction by this lateral flow. The overlaying plate is thinned out, fractures, and pulls apart at the peak of the uplift.

Hence, in fact it is not by the gravitational pull but by the ridge slip.

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It is important to keep the lines of communication open because it will ______. a. Make sure people choose your side in a conflict b. Prevent negative emotions from building c. Cause people to do what you want d. Lead to an increase in your salary Please select the best answer from the choices provided A B C D

Answers

B . It will prevent negative emotions

Answer: B.

Explanation: Edge 2022

The sequence of DNA below is part of a gene. How many amino acids are coded for by this segment?
5 ATTAGTCCGTAC 3
A. 2
B. 3
C. 4
D. 5

Answers

Answer:

b

Explanation:

How is an ectotherm most likely to maintain homeostasis during cold weather?
A. By sitting on a warm surface
B. By lying in the shade
C. By shivering
D. By sweating​

Answers

The answer is A! Sitting on a warm surface

Ectotherm describes the animals that use external sources to maintain their body temperature. They will maintain their homeostasis in cold weather by sitting on a warm surface. Thus, option A is correct.

What are ectotherms?

Ectotherms are animals that cannot regulate their body temperature on their own and are dependent on external sources to maintain their body heat.

They have to depend on environmental sources like a warm place to maintain their body temperature during the cold weather. They cannot sweat or shiver to maintain homeostasis.

Therefore, during the cold, ectothermic animals sits on warm surfaces to maintain homeostasis.

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Describe some of the reasons for exploring the mid-Cayman ridge.

Answers

Answer:

Life on Earth goes back almost 4.1 billion years, but photosynthesis as characterized by cyanobacteria only appeared around 3.5 billion years ago (Ga). Since life on Earth predates photosynthesis, the exploration of this deep-water environment that lacks any source of light could provide information on what those life forms looked like.

Explanation:

This was the answer on edge

The major reason for exploring the mid-Cayman ridge is to provide

information on what those life forms looked like.

What is Photosynthesis?

This is the process in which plants manufacture their food in the presence

of sunlight and other compounds.

The mid-Cayman ridge which is present in a deep water environment has

lacks any source of light has some life-forms present. The exploration was

to find out the type of life forms present and how they appear.

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PLEASE HURRY!!!! PLEASE!!!!!!!!!What is different about the way people get energy as opposed to plants?
A. People get their energy from food, whereas, plants convert energy from the sun through a process know as photosynthesis.
B. People get energy from jumping around.
C. Plants and people get energy through the same means.
D. Plants eat zombies to get their energy, whereas, people eat pizza.

Answers

A makes the most sense ;)

Calculate the mass of an object whose weight is 400 N and acceleration due to gravity is 10 m/s2​

Answers

Answer:

40kg

Explanation:

F=M*A

M=F\A

M=400\10

M=40kg

The mass of an object whose weight is 400 N and acceleration due to gravity is 10 m/s2​ is 40 kg.

What is acceleration due to gravity?

The net acceleration that objects get as a result of the combined action of gravity and centrifugal force is known as the Earth's gravity, or g.

It is a vector quantity whose direction, strength, or magnitude match a plumb bob.

According to Newton's second law, an object's acceleration is inversely proportional to its mass and directly connected to the net force. An object's acceleration is determined by two factors: force and mass.

We know that,

F = m x g

m = f/g

Where,

F = force

m = mass

g = acceleration due to gravity

Given that,

F = 400N.

g = [tex]10m/s^2[/tex]

So,

m = 400/10

m = 40 kg.

Thus, the mass is 40 kg.

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What pigment molecule absorbs blue
and red light to provide energy for
photosynthesis?
A. Carotenoid
B. Chlorophyll
C. Melanin
D. Anthocyanin

Answers

Answer:

the answer is b

Explanation:

Where in Nebraska was the oldest known species of horses found? *

Answers

Answer:

Knox County

Explanation:

i live in Nebraska

The oldest known species of horse found in Knox County in Nebraska, Eohippus, (genus Hyracotherium), also called dawn horse, is considered as oldest known species of horse, hence option 1 is correct.

What are the species of horses?

The horse is a mammal considered a domesticated one-toed, hoofed mammal and belongs to the taxonomic family of Equus ferus, there is only one species of a domesticated horse but around 400 breeds developed for the improvement of their strength.

All horses are considered grazers, food like grasses and plants, and believed as herbivores in the tropic level, only plants not animals.

These animals generally use for domestication purposes by human beings for pulling carts and heavy materials.

Therefore, in Knox County of Nebraska, the oldest known species of horses is found, hence option 1 is correct.

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The given question is incomplete, so the most probable complete question is,

Where in Nebraska was the oldest known species of horses found?

1: Knox County

2: United States

3: Grand Island

4: Omaha


Why is it important we reduce the amount of greenhouse gases we
put into the atmosphere?​

Answers

Answer:

Mhm

Explanation:

Without any greenhouse gases, Earth would be an icy wasteland. Greenhouse gases keep our planet livable by holding onto some of Earth's heat energy so that it doesn't all escape into space. This heat trapping is known as the greenhouse effect. ... Putting so much new CO2 into the air has made Earth warmer.

Answer:

If we don't reduce the emissions of greenhouse gasses, we will end up have climate change. As the world heats up, the water levels rise, the polar ice caps melt and costal cities will end up under water at somepoint. Also animals that can't handle the temp changes can die.

carlos made a diagram to compare two kinds of fish. which label belongs in the area marked Z?

a. scales
b. no jaw
c. swim bladder
d. skeleton made of bones

PLEASE HELP

Answers

Answer:

B

Explanation:

i also do edge

During which phases does the moon appear to be fully visible?

Answers

During the waxing phase, the moon is visible in the sky after sunrise and before sunset. Waxing Crescent -- The moon travels eastward in the sky, and a few days after the new moon we can see a slight edge, or crescent, lit by the sun

Answer: New Moon

Explanation: During the new moon phase, the moon is not visible. Sometimes it can be detected by noting the visible absence of the stars that it blocks. Additionally, during new moon, sometimes enough light is reflected off the surface of the Earth that the disk of the moon is faintly visible.

In three to four sentences, explain the mpact of the spread of Middle Age culture had on ts esstern neightors

Answers


There is one word to describe the culture in the Middle Ages and that is barbaric. While some countries were better than others at maintaining order and the education of their society it was quite a rough time to exist when people had little to no rights.

C6H12O6+6O2→6H2O+6CO2

In the above equation, glucose is broken down during cellular respiration to produce carbon dioxide and
Select one:
a.
ammonia.
b.
water vapor.
c.
oxygen gas.
d.
sucrose.

Answers

It’s “D” I did this in like 8th grade I think

Answer:

The answer is b. water vapor

Explanation:

I literally just did this question in a benchmark

Which of the following processes is NOT a physical or chemical change?
a. crushing
b. weighing
c. melting
d. passing electric current

Answers

B. Weighing , because all its checking is the weight.

Answer:

b

Explanation:

doesn't change anything

I am failing in school and i need help with this it is a home work defineMaritime

Answers

Answer:

Maritime transport and fluvial transport, or more generally waterborne transport, is the transport of people or goods via waterways. Freight transport by sea has been widely used throughout recorded history.

Explanation:

I don’t rly know tbh hsgsgdgdgsgdgdgdg

The incidence of cystic fibrosis, a recessive genetic disorder in the Caucasian population of United States, is 1 in every 2,500 individuals. Find the number of heterozygous carriers. (p + q = 1, p2 + 2pq + q2 = 1)

Answers

Answer:

The no. of heterozygous carriers = 0.0392

Explanation:

From the given information:

The incidence of this recessive disorder i.e. q² = 1/2500

q² = 0.0004

q = 0.02

From Hardy Weinberg's Equilibrium.

p + q = 1; &

p² + 2pq + q² = 1

p + 0.02 = 1

p = 1 - 0.02

p = 0.98

So, the numbers of heterozygous carrier 2pq is:

= 2 × 0.98 × 0.02

= 0.0392

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