The diagram below shows the different paths nitrogen can take in the nitrogen cycle. The above diagram shows how
A. fungi use nitrogen in the atmosphere to produce bacteria.
B. bacteria cause diseases in animals and plants on Earth.
C. animals and plants cause pollution in Earth's soils.
D. nitrogen-containing nutrients are recycled in ecosystems.

Acid rain throughout the northeast united states has lowered the ph of many ponds and lakes. the lowered ph will eventually result in the death of many aquatic animals. compare the map of the u.s. with the ph tolerance range for the organisms listed. based on the tolerances seen here, which aquatic organisms are least likely to survive in the northeastern states?