What is 420,000 in scintific noattion?

Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.

Which feature do highland climates have that lower elevation areas do not?

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al