Answer:
Explanation:
Wind t Water + Season changing
It only allows certain things through, such as water. One way to remember it is to think about how you wouldn’t eat just anything, and the cell doesn’t let just anything in. I hope this helps
A.seeds because if the seed gets into the ground with water and sunlight then it can grow
Global warming and the greenhouse effect are related because they are both caused by pollution and rising global temperatures by human activity.