Answer: A.They contain plants that purify water.
The most vocal reptile ARE THE CROCODILES.
Crocodiles use different types of calls, smells and water behavior to communicate with one another. Scientists have discovered that some species of crocodiles can pass across up to twenty messages using sound alone. The sounds made can be used to signify threat, distress or it can be used to attract others for courtship purpose. Crocodiles also communicate through smells and through water behaviors.
Answer:
Step 2: The right ventricle pumps the oxygen poor blood to the lungs via pulmonary valve. Step 3: The left atrium receives oxygen -rich blood and pumps it to the left ventricle. Step 4: The left ventricle pumps the oxygen-rich blood via aortic valve, submitting this blood through the entire body.
Explanation:
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Answer;
-White light and pure energy
-solar energy.
Explanation;
The sun is the source of all energy in the earth.
The sun energy is channeled to the biosphere through the process of photosynthesis in which solar energy from sunlight is converted to chemical energy.
The chemical energy is then used or stored by plants inform of starch. This chemical energy is ten passed to other organisms (heterotrophs) when they feed on the plants.