Food chain is the answer.
<h2>C. A predatory fish is introduced into a lake, resulting in a dramatic decrease in the populations of smaller fish.</h2>
Explanation:
because the tilt of the earth on its axis
The appropriate answer is c. global warming. Global warming is an increase in the global temperature caused by the increased use of fossil fuels. Using fossil fuels since the industrial revolution has pumped extra carbon dioxide in the atmosphere than what would actually enter from natural processes. This extra carbon dioxide is increasing the green house effect and causing the temperature to increase.