will increase soil nitrates, while will decrease soil nitrates. A. Fast growing crops, heavy rains
B. Decomposers, lightning
C. Animal manure, fast growing crops
D. Denitrifying bacteria, Nitrifying bacteria

A. Fast growing crops, heavy rains

Explanation:

Fast growing crops will increase soil nitrates, while heavy rains will decrease soil nitrates.

burning of wood and coal

explanation:

the panel also concluded there's a better than 95 percent probability that human-produced greenhouse gases such as carbon dioxide, methane and nitrous oxide have caused much of the observed increase in earth's temperatures over the past 50 years.

lysosome is this part of the cell is surrounded by a very thick outer membrane to protect the rest of the cell from its strong enzymes.