I think it’s C I hope it’s right I’m sorry if I’m wrong
No more than five trophic levels are present in an ecosystem, most have only 4.
Answer:
Variations in the sun's energy reaching Earth
Changes in the reflectivity of Earth’s atmosphere and surface
Changes in the greenhouse effect, which affects the amount of heat retained by Earth’s atmosphere
Explanation:
..............................Tupper Lake
The answer to your problem is question 3 i just took that test i got it right