After a culture of cells is allowed to multiply and is viewed through a microscope, the cells are x-rayed with high-energy radiation for less than
1/100th of a second. After the radiation, many newly reproduced cells
appear different. What has probably occurred?*

the answer is admiramos

the rule for verbs is whoever you are referring to (in this case 'nosotros'), you need to change the ending of the word.

nosotros - amos

yo - o

tu - as

el, ella, usted - a

ellos, ellas, ustedes - an

(examples: nosotros bailamos (instead of bailar) or yo hablo (instead of habla)

and after water is usually warmed by the sun the water temperature raises and then evaporates .

dna is a set of a gene held together by a chemical bond