Near the Earth's surface, the sunlight that does reach the ground warms the Earth, which in turn warms the air immediately above it. So the troposphere is warmest next to the warm ground, and cooler higher up away from the warm ground.
There is misspelled. It should be spelled their
A, they don't have to spend time and energy finding a mate so they can just keep reproducing
Answer: they drop their leaves and go into dormancy
Explanation: