Answer:
During the water cycle, the water on the earth's surface gets evaporated leaving the impurities behind and enters into the atmosphere as water vapor. Thus, the water cycle removes pollutants from earth’s water.
Explanation:
Water cycle is the continuous movement of water on the earth's surface and the atmosphere. Some of the water from the oceans, lakes, rivers etc gets evaporated by sunlight and enters into the atmosphere as water vapor. Also from the processes like sublimation (ice and snow) and evapotranspiration (plants), water vapor reaches the atmosphere. This vapor is then condensed into clouds and later falls back from the sky on to the earth's surface as precipitations like rain, snow etc. During the evaporation, the pollutants (impurities) in the water sources are left behind. Thus, the water cycle removes pollutants from earth’s water.
Answer: True
Explanation:
There is something called Skin flora. This refers to a group of microorganisms that reside on the skin. Staphlococcous aureus and Staphlococcous epidermidis are common examples. The Skin flora protects the skin from pathogenic organisms.
Answer:
Replication relies on complementary base pairing, that is the principle explained by Chargaff's rules: adenine (A) always bonds with thymine (T) and cytosine (C) always bonds with guanine (G).
Explanation:
Answer:
Answer: Biodiversity will decrease
Explanation:
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Answer:
This statement is true. Wind is from hot air mixing with cool ground, vice-versa.
