Answers
Answer:
C,A,A are the correct answers
Related Questions
3. In science, a theory is more like a scientific law than a hypothesis. A theory
explains a set of observations or events. It must be verified multiple times by
many different scientists. One scientist cannot create a theory on his or her own.
a) Look back at your hypothesis from question 2. Could this hypothesis become
a theory if you repeated your experiment 100 different times and got the same
results? Can a theory be created by just one person? (2 points)
Answers
Answer:
No
Explanation:
A theory cannot be made by one person, no matter how many times they repeat the experiment. Therefore, you repeating the experinment does not make it a theory. The experinment must be repeated by others and get same result as you to confirm it as theory.
Pls helpthe sun hits the ocean at the equator more directly than at the poles. how does this support the flow of currents in the ocean?
Answers
The Sun creates a lot of thermal energy in the atmosphere and the oceans. Currents created as warm equatorial waters move to the north carrying heat. Due to this, the cold polar waters go south, and there get heated.
What is thermal energy?Thermal energy refers to the energy within a system and is responsible for its temperature.
The Sun heats up the air at the equator. This air will move toward the poles and cools down there with time.
In this process, the wind that occurs due to air currents will induce currents at the ocean surface.
The currents at this surface are propagated down deeper due to the differences in the forces on different parts of the water.
Thus, It is the main reason that the sun hits the ocean at the equator more directly than at the poles.
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What volume will 454 g (1 lb.) of H₂ occupy at 1.05 atm and 25.0°c
Answers
Answer:
Explanation:
V = 5.24 × 10^3L
=
5.24
×
10
3
L
Explanation:
We're asked to find the volume occupied by
454
g
of
H
2
at
1.05
atm
and
25
o
C
.
To do this, we can use the ideal-gas equation:
p
V
=
n
R
T
where
p
is the pressure, in units of
atm
(given as
1.05
atm
)
V
is the volume the gas occupies, in units of
L
(we'll be finding this)
n
is the number of moles of the gas present (we'll need to convert the given mass in grams to moles)
R
is the universal gas constant, equal to
0.082057
L
⋅
atm
mol
⋅
K
T
is the absolute temperature of the gas, in units of
K
(given
25
o
C
)
We need to do some conversions:
Let's find the number of moles of
H
2
present via the molar mass of
H
2
(
2.02
g/mol
):
454
g H
2
(
1
l
mol H
2
2.02
g H
2
)
=
225
mol H
2
The temperature in
K
is
25
o
C
+
273
=
298
K
Plugging in known values, and solving for the volume,
V
, we have
V
=
n
R
T
p
=
(
225
mol
)
(
0.082057
L
⋅
atm
mol
⋅
K
)
(
298
K
)
(
1.05
atm
)
=
5.24
×
10
3
what is the biggest great white shark ever recorded
Answers
Answer:
19.7 FT.
Explanation:
According to experts, such as J. E. Randall, the largest, reliably measured Great White Shark, was 6.0 m (19.7 ft) in length, from Ledge Point in Western Australia
Identify the interaction used to describe each type of interdependence among organisms. having too many fish in a pond can limit the amount of food and space available. the cheetah population depends on the gazelle population for food.
Answers
The dependence of the cheetah population on the gazelle population for food shows a kind of interdependent interaction.
What are interdependent interactions?They are a form of interaction between two organisms in which the survival of one is dependent on the other.
If the organism whose existence is important to the existence of the other should go extinct, it will greatly affect the survival of the latter.
Aside from going extinct, the rise and fall of one of the organisms affect the other either positively or negatively as well.
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Answers:
competition
predation
increase
Explanation:
Identify the interaction used to describe each type of interdependence among organisms.
✔ competition
Having too many fish in a pond can limit the amount of food and space available.
✔ predation
The cheetah population depends on the gazelle population for food.
Given the relationships identified above, determine what would happen to the populations under the following circumstances.
✔ increase
If the cheetah population decreases, what would happen to the gazelle population?
Got 100% on Instruction. Good luck :)
The Earth's atmosphere is unique among all of the planets in the solar system. Describe 3 characteristics of the Earth's atmosphere that allows for life on Earth as we know it.
Answers
Answer:
oxygen, carbon dioxide and magnetic field
How might an environment be affected if humans introduce a new type of plant to the environment? A. The plant may compete with other plants for light. B. The plant may become another food source for animals. C. The plant may be poisonous and harmful to animals. D. all of these
Answers
Answer:
D. all of these
Explanation:
The reason is because all of the above are TRUE.
A. The plant may compete with other plants for light.
It feels like Plants and Trees are just stuff growing, but they actually compete with other plants, some don't do that much, but some do that, so that new plant may do it to get more light and might put more shade on other plants, which is dangerous for other plants.
B. The plant may become another food source for animals.
This is pretty normal, I mean, the thing here is that any plant is vulnerable to being eaten by an animal.
C. The plant may be poisonous and harmful to animals.
Yeah, like in choice B, the same thing, the plants are always Vulnerable to be eaten by hungry animals, and if an animal eats it... then it might get a disease or might just die.
So if these are all correct, then the answer HAS to be D. All of these
Answer:
D. All of these
(P.S. I got it right on Study Island)
Explanation:
When humans introduce non-native species to an area, there are many possible effects.
If a plant were introduced to an environment,
the plant may compete with other plants for light.the plant may be poisonous and harmful to animals.the plant may become another food source for animals.Where did the word tango come from? it came from a certain kind of music known for its counterpoint rhythm in latin america. it came from african music. it came from india. it came from china.
Answers
Answer:it came from a certain kind of music known for its counterpoint rhythm in Latin America.
Explanation:trust bbg
The word tango came from a certain kind of music known for its counterpoint rhythm in Latin America.
Where did the word tango come from?The word tango was obtained from Spanish language. The word tango in Spanish means a drum. It is a term that is intricately connected to music.
Since many Latin American countries speak Spanish language, the word tango came from a certain kind of music known for its counterpoint rhythm in Latin America.
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DNA is composed of repeating structural units called
.
is the five-carbon sugar found in DNA.
Answers
Answer:
It is composed of repeated structural units called nucleotides.
Deoxyribose is the five carbon sugar found in DNA
Answer:
DNA is composed of repeating structural units called nucleotides
Deoxyribose is the five-carbon sugar found in DNA.
Magnifying Living Things
In this activity, you will look at six samples from living things under a magnifying glass.
Estimated time to complete: 20 minutes
You will need these materials:
magnifying glass (At least 10× magnification)
a leaf
a twig or tree bark
the skin on your hand
a flower
a strand of your own hair (or a sample of pet hair, if you have a dog or cat)
a sample of your choosing
Data Collection
In this activity, you will magnify samples from the five living things listed below. You must also include one sample of your own choice. Your sample could be from a plant, animal, human, or anything that is living.
a leaf
twig or tree bark
the skin on your hand
a flower
a strand of hair
a sample of your choosing (Grass)
Part C
Part C
Did you observe any other characteristics of life in your samples?
Part D
For each of your samples, research how the structures you observed under magnification help the organisms carry out basic functions of life. Write your findings in the space provided.
Answers
Answer:
"bark" (and any subsequent words) was ignored because we limit queries to 32 words
Explanation:
-_-
How many units of energy would there need to be in the first trophic level to end up with 1000 units of energy in the second? in the third? in the fourth?
Answers
Answer:
(First) 10,000--->1000--->100-->10 (fourth)
Explanation:
Each trophic levels gets reduced by factor of 10.
Thus if you start with 10,000 in first, then you end with 1000 in second, 100 in third and 10 in forth.
What occurs when solar radiation bounces off a surface?
texturization
absorption
reflection
energization
Answers
Is xylem or schlencyma the tissue that forms annual rings during secondary thickening growth in dicot plant
Answers
Answer:
xylem
Explanation:
20 POINTS!!
Which part of the eye contracts in bright light and expands in dim light?
retina
cornea
lens
iris
Answers
Answer:iris
hope this helps
Answer:Iris
Explanation:
Just took the test
Describe the relationship between the mass and metabolic rate of whales and seals in the Antarctic habitat. Explain why less massive species tend to require more energy to survive.
Answers
Organisms that have a higher metabolic rate due to large mass and hence require less energy
What is the relationship between metabolic rate and mass?We know that metabolic rate at which individual species carry out the process of metabolism.
It should be know that larger organisms that have a higher metabolic rate due to large mass and hence require less energy since metabolism produces heat. This owed to the fact that large size implies greater metabolism. Therefore, less massive species tend to require more energy to survive.
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What are three ways in which genes are expressed through adaptations?
Answers
Answer:
this my answer and if u are in class 10 then you aslo ask me questions of it ok by Explanation: The journey from gene to protein is complex and tightly controlled within each cell. It consists of two major steps: transcription and translation. Together, transcription and translation are known as gene expression.If two organisms have homologous structures and similar early development, what can you infer about them?
Answers
Answer:
Common ancestry
Explanation:
If two things have similar structures and have similar early development that means they likely originated from a common ancestory a long time ago. This would support the notion that they are evolutionary related.
What species is the gray whale?
A Reptile
B Cetacean
C Lepidoptera
D Salmon
Answers
Answer:B Cetacean!
Explanation: Cetacean means marinemarine mammal and Gray Whales are mammals. #Im a teacher :)
Ex
How do I write out a physical description? I need this for a project.
Answers
Answer:
1. You don’t always have to be specific.
2. Use figurative language.
3. Describe facial expressions.
4. Make the descriptions match the tone.
5. Scatter physical descriptions throughout the prose.
6. Describe actions that reveal physical characteristics.
7. A first-person narrator can give biased opinions about appearances.
8. Describe clothing and accessories.
9. Describe the way characters move or carry themselves.
10. Remember that a little description can go a long way.
Explanation:
If you are describing someone...
Which is a reservoir for nitrogen?
A. lightning B. biomass C. nitrogen gas D. ammonium E. nitrogen-fixing bacteria
IT'S NOT C
Answers
What are 4 mutations?
Answers
Answer:
Germline mutations occur in gametes. Somatic mutations occur in other body cells. Chromosomal alterations are mutations that change chromosome structure. Point mutations change a single nucleotide
What does X represent in this model?
A. air
B. light energy
C. oxygen gas
D. water
I'll mark you as brainliest, hurry up!!
Answers
Remember the process by which plants make their food
Crude oil is turned into usable forms of energy in a ______.
A) Downstream
B) Meltdown
C) Turbine
D) Ethanol
E) Passive solar cooling
F) Utility
G) First Law of Energy
H) Refinery
I) Isotopes
J) Second Law of Energy
Answers
Answer: C) Turbine
Explanation: Crude oil is turned into usable forms of energey by a Combustion Turbine. Hope this helped!
please answer this correctly
Answers
Answer:
6. A. LATITUDE7. C. ANTARCTIC CIRCLE8. D. Topsoil, Subsoil, Parent materialExplanation:
6. Latitude is the measurement of distance north or south of the Equator. It is measured with 180 imaginary lines that form circles around the Earth east-west, parallel to the Equator. These lines are known as parallels
7. These zones are found in the North and South Poles. The South Frigid Zone is located between the Antarctic Circle and the South Pole, and the North Frigid Zone is located between the Arctic Circle and the North Pole.
8. As we know that the first layer of soil is topsoil , the middle layer of soil is subsoil and after the sub soil there is bedrock. Therefore, the correct arrangement of layers is top soil, subsoil, bedrock.
ihopeihelpsuAnswer:
See below ~
Explanation:
6. a. Latitude
7. d. Letters b and c
8. c. Organic, Topsoil, Subsoil
which term refers to the fact that the therapist cannot disclose
Answers
i believe it's confidentiality therapist
Identify a pattern that you observe in the bodies of the three animals shown here. The pattern could involve the shapes and locations of the eyes, mouth, or limbs. Construct an explanation for this pattern. Include either the term homologous structure or the term analogous structure in your response.
Answers
The morphology of the extremities is a pattern shared by the bodies of these three animals, which is due to evolutionary homo-logy.
What are homo-logous structures?Homo-logous structures are body structures that may or not may have the same function but share an evolutionary origin.
Conversely, analogous structures have the same functions but they are not found in a common ancestor.
In conclusion, the morphology of the extremities is a pattern shared by the bodies of these three animals, which is due to evolutionary homo-logy.
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bacteria unicellular or multicellular
Answers
Answer:
Bacteria is unicellular
Explanation:
Because it is a single celled organism
Answer:
Unicellular organisms
What is the most basic form of of solar energy
A) passive solar cooling
B) passive solar energy
C) passive solar heating
Answers
Answer:B) passive solar energy
Hope this helps
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olfactory cells and taste buds are normally stimulated by ________.
Answers
Answer:
The answer is substances in solution.
Explanation:
Olfactory cells and taste buds are normally stimulated by substances in solution.
Olfactory cells are normally stimulated by odorants, which are chemical substances that are volatile and capable of being detected by the sense of smell.
Taste buds, on the other hand, are normally stimulated by tastants, which are chemical compounds that can be tasted. Tastants include various molecules such as sweet, sour, bitter, salty, and umami compounds.
Both olfactory cells and taste buds play crucial roles in our perception of smell and taste, respectively, and they are stimulated by specific chemical substances that interact with receptors present in these sensory cells
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10. Organic compounds of what class contain only two elements?