Answer:
T o directly study bird predation on the moths, Dr. Kettlewell placed light and dark moths on the trunks of trees where he could observe them. He recorded the times a bird found the moth. Kettlewell also tested the idea that dark moths live longer in dark forests.
Explanation:
This is an 8th grader question. But I'll say Xx Xy
Greenhouse gases warm the air near Earth’s surface by absorbing heat emoted by Earth.
Answer:
The Exosphere
Explanation:
The Exosphere is the farthest away from the Earth and the least dense. Going towards the Earth a space ship would pass through the Ionosphere, then the Stratosphere where high flying airplanes can be found, and finally closest to the Earth is the Troposphere which is the thickest layer where all our weather takes place.
