♥ They make use of a control group because its something that they can look into, something to compare to. <span />
The ocean absorbs most of the excess heat from greenhouse gas emissions, leading to rising ocean temperatures. Increasing ocean temperatures affect marine species and ecosystems. Rising temperatures cause coral bleaching and the loss of breeding grounds for marine fishes and mammals.
The first option for 1 and the second option for 2
Answer: What are my answer choices?
Explanation:
A heart pound? I'm guessing lmaoooo
