Answer:
water, a substance composed of the chemical elements hydrogen and oxygen and existing in gaseous, liquid, and solid states. It is one of the most plentiful and essential of compounds. A tasteless and odourless liquid at room temperature, it has the important ability to dissolve many other substances.
Explanation:
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Answer:
It should be
A. The biodiversity of these areas will decrease.
1KG=9.81N
So, 250KG = 2452.5N
1000N / 9.81 = 101.9 KG