Answer: Fishing, Overfishing is a huge problem depleting the amount of fish.
Explanation: swimming does no harm, agriculture is not in water and boating is not as big as a problem of fishing.
Answer:Answer: Given m = 10 kg and . F = 20 N. Thus, the force required to accelerate the object upward direction is 20 N.
Explanation:
C (for use mostly by females)
Answer:
When CO2 is breathed into the lungs, it dissolves in the water there, diffuses across the alveolar-capillary membrane, and enters the bloodstream. As it combines with water, it forms carbonic acid, making the blood acidic. So CO2 in the bloodstream lowers the blood pH.