A good indicator that a reaction is a single replacement reaction is if you have a single element and a compound on one side of the arrow, and a single element and a compound on the other side of the arrow as well. Select one:
True
False

An example of technology is the a. addition of a side group to an organic molecule during synthesis. b. use of a new antibiotic to fight an infection. c. measurement of iron concentration in a water sample. d. study of atomic fusion reactions

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?