Dna does not contain the nitrogen base

Me with biology endocrine system crossword also image left i need with hw

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

Which diagram best represents the chromosomes that would be found in a two new skin cells produced as a result of this process?