The half-life for a 400-gram sample of radioactive element X is 3 days. How much of element X remains after 15 days have passed O A 12.5 g
O B. 25 g
O C. 50 g
OD. 100 g

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)

i believe the answer would be b. hope it : )

the fossil record provides evidence of a common ancestor to many species.