The most common source of water contamination is: A. sewage.
The correct answer is B - exercise frequently.
Your body becomes accustomed to exercise if you do it frequently, and your muscles become less sore as they are constantly being used.
Answer:
,42,63,84,105,126,147,168,189,210,231
Explanation:
just keep multiplying by 2
Answer:The respiratory and circulatory systems bring oxygen and nutrients to the cells. The respiratory and circulatory systems work together to maintain homeostasis. The respiratory system moves gases into and out of the blood. The lungs contain the bronchi, bronchioles, and alveoli.
Explanation:
here ya go :)