Which of the following populations would be least likely to survive a change in its ecosystem? a. brown bears that can eat a variety of different kinds of food. b. koalas that eat only eucalyptus leaves. c. grasses that can grow in normal or contaminated soil. d. bacteria that can grow in both hot and cold environments.

it's c. (to reduce the greenhouse effect/carbon gasses)

answer: although many types of viruses can cause a common cold, rhinoviruses are the most common culprit. a cold virus enters your body through your mouth, eyes or nose. the virus can spread through droplets in the air when someone who is sick coughs, sneezes or talks. theres your answer

explanation: