Select all of the answers that apply.
Which of the following are ways the atmosphere supports life?
contains trace gases
blocks harmful UV rays
transports and distributes heat
cycles essential elements: C, O, and N

Can someone list any possible solutions to air pollution ?

Using complete sentences, outline two specific examples of how technology advances make the world seem smaller.explain what it means to say the world is “shrinking”

This is a 2017 topographic map of puerto rico in the united states, and i'm sorry that people there have suffered such a disaster. i want to ask, what do the yellow dots and areas represent on this graph? and the blue area and the little blue circle, and the little blue sign that looks like a signal tower, what do they stand for?