Answer:atom
Explanation:because it is defined as the smallest form of any given elemental item
Red blue green purple r r d f. F f t brown blue grey dark blue purple
Answer:
The acidity level of water is measured by the pH scale. Pure water has a pH of 7, which is neutral. However, natural rainwater actually has a pH of 5.6 because it gets exposed to the gases in the atmosphere, making it a bit acidic. True acid rain will have a pH level measuring from 5.0-5.5.
Answer:
option A is correct
Explanation:
condensation is the process by which water vapors in the air are converted to liquid water
D. A protein catalyst in a living organism
