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Llana [10]
2 years ago
15

Please help i don’t know

Biology
2 answers:
Olin [163]2 years ago
6 0

Answer:

Independent variable.

Explanation:

The independent variable is the variable that you change throughout the experiment. The independent variable effects the dependent variable. It is usually denoted as x.

Citrus2011 [14]2 years ago
3 0
Independent variable
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Most orbits are perfect circles.
marysya [2.9K]

Answer:

no

Explanation:

6 0
2 years ago
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Which characteristic differentiates amphibians from reptiles?
Stells [14]

Option D – amphibians may use their skin for gas exchange is the characteristic feature of amphibians that differs from reptiles.

Explanation:

The amphibian skin is moist, thin and marbled and supplied by blood vessels running on its surface. The moisture present in the skin dissolves the oxygen present in its surrounding which is absorbed by the blood vessels. Special glands help the amphibians to keep the skin moist.

The very thick and tough scales present on the reptiles prevent them to absorb oxygen through their skin. Hence, they breathe and respire through their lungs.

Amphibians have three-chambered heart. They do not develop amniotic eggs. Adult amphibians although spend much time on land, they breed only in water due to the absence of amniotic sac .

7 0
3 years ago
Wohler and Kolbe demonstrated that organic compounds, such as urea and acetic acid, could be synthesize from:
ElenaW [278]
I think the answer you’re looking for is
D. Carbon, hydrogen, and oxygen
-I hope this helps! Enjoy the rest of your day
4 0
3 years ago
Select the correct answer. which sentence describes an object that has kinetic energy? a. a seagull sits on top of a fence post.
ololo11 [35]

" a boat sails across the ocean" possess Kinetic energy. hence option d is correct.

<h3>What is Kinetic energy?</h3>
  • Chemical energy, thermal energy, electromagnetic radiation, gravitational energy, electric energy, elastic energy, nuclear energy, and rest energy are only a few of the many different types of energy that exist. Potential energy and kinetic energy are the two basic categories that can be used to group them.
  • An object's kinetic energy is what drives its motion. Kinetic energy can be converted into other types of energy and transported between objects.
  • The energy an object has as a result of motion is known as kinetic energy in physics. It is described as the effort required to move a mass-determined body from rest to the indicated velocity. The body holds onto the kinetic energy it acquired during its acceleration until its speed changes.

To learn more about Kinetic energy with the given link

brainly.com/question/12669551

#SPJ4

7 0
1 year ago
Do cancer cells go through the cell cycle quickly?
forsale [732]
Cancer is basically a disease of uncontrolled cell division.
6 0
3 years ago
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