Tell me like 3 wishes you would like for a better world

Remote sensing of the earth's surface and atmosphere may involve the use of what type of instruments?

Keep your choice of a major there is probably no single correct choice. a ) to yourself. b) in perspective. c) based solely on the expectations of others. d) all of the answer choices are correct.

Earth's atmosphere is unique among the planets and is able to support life because it contains a large amount of a) oxygen b) helium c) methane d) carbon dioxide