The best answer is B - the fish die.
Acid rain flows through soils. If the soil part of a watershed, aluminum is released from the soil and into the streams and lakes located in that watershed.
This lowers the pH in the lake from between 6 and 8 (which is the normal pH in lakes and streams) to less than 5.
Both increase of aluminum and lower pH are directly toxic to fish and they kill off fish populations
The answer would be C. because velocity describes the speed of an object in any given direction
Answer:

Explanation:
Corrected definitions:
<h3>Potential energy:</h3>
- The energy possessed by a body due to its position is called Potential Energy.
<h3>Kinetic Energy:</h3>
- The energy possessed by a body due to its motion is called Kinetic Energy.
<h3>Chemical Energy:</h3>
- The energy possessed by the body due to its atoms and molecules is called chemical energy.
<h3>Thermal Energy:</h3>
- The energy in a system due to its temperature is called Thermal Energy.
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Carbon Dioxide contributes the most to the greenhouse effect
A secondary consumer is the answer