I believe it's true hope it works
Answer: National park service
Explanation:
The answer could be (spread), but there isn't much to go on here
The UV rays cause sun spots due to reaction from the radiation.
Answer:
If there wasn't a lot of organisms and energy in the productive part of the triangle, then there wouldn't be a lot of third level organisms. The energy piramid would be a lot smaller then what it is here, and maybe if the energy source was low then there might not be such a vast varity of animals in the ecosystem.
You're welcome friend <3