Which of the following are factors that affect climate?

What is the compliment dna strand to the following sequence: ttgactaggcta

The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere

Blank is a rock with a find dark texture that makes up the oceanic crust