What is the definition of the vocabulary word modification?

Question

A)to expel or get rid of waste
B)a change or alteration, usually intended to improve
C)to attract a new specimen
D)to conduct a test on an animal
E)to change into a gas state

Answer 1

B) a change or alteration, usually intended to improve.

Answer 2

What is the definition of the vocabulary word elimination?
to attract a new specimen
to expel or get rid of waste
to conduct a test on an animal
to change into a gas state
a change or alteration, usually intended to improve

Answer 3

B) to expel or get rid of waste.