D) to change so as to better suit your surroundings
Definition
make (something) suitable for a new use or purpose; modify.
-become adjusted to new conditions
Change "Unhelpful" to "Destructive" is your answer to this question
Answer:
Breeding animals in captivity would protect the few endangered animals that are still alive from being hurt or from dying if they were in the wild; it would keep the newborn animals safe and help them survive; doctors would be able to observe the animals in captivity; the animals wouldn't be hurt by other animals
They went to the railroad stations and bought tickets for the fast trains and the slow trains and even the trains that back up and run backward instead of where they start to go.
