Acid rain, or acid deposition, is a broad term that includes any form of precipitation with acidic components, such as sulfuric or nitric acid that fall to the ground from the atmosphere in wet or dry forms. This can include rain, snow, fog, hail or even dust that is acidic.
Answer:
There were 1.2 billion persons in the year 1850
Explanation:
The chlorophyll stops being produced because it is to cold
active immunity is the immunity which get in hospital
