Answer: C
Explanation: Water is a polar molecule because the electrons of the hydrogen atoms get "pulled" towards the electrons of the oxygen atom. Which is both positive and negative on opposite ends.
It could be B as well but, I believe it's C
Answer:
No
Explanation: its related to climate
Answer:
B. Salinity
Explanation:
Salinity Definition: of, containing, or resembling common table salt; salty or saltlike
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As you increase exercise and muscle activity, your heart rates increases. That is one feedback mechanism. Your heart delivers oxygen and nutrients to your muscle and other parts of the body quicker.