Answer:
An ocean current of cold water
Explanation:
Abiotic is non living and water is nonliving
Answer:
The pressure differences on either side of the valve.
Explanation:
The heart valves open and close passively because of pressure differences on either side of the valve. When pressure is greater behind the valve, the leaflets are blown open and the blood flows through the valve. However, when pressure is greater in front of the valve, the leaflets snap shut and blood flow is stopped.
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They classify on how they reproduce.
Answer:
You have the exact same types of chemicals in your body as when you were younger.
Explanation:
