Which process does the plant need energy to perform?
a. release of oxygen into the atmosphere
b. transpiration of water
c. absorbing water into the root hairs
d. pulling nutrients into the root hairs

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?