Which atom below would be MOST likely to form a compound with magnesium (Mg) in a ratio of one to one? A. nitrogen (N)
B. oxygen (0)
C. calcium (Ca)
D. chlorine (CI)

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.

How have the greenhouse gasses increased from the year 2000 to 2018

Select the most likely product for this reaction: koh(aq) + co2(g) – ? k2co3(aq) + h2o(1) k(s) + h2(g) + o2(g) k(s) + co3(9) +h2