What happens if a species is unable to adapt to a changing environment

a. its population fluctuates.

b. its population decreases.

c. its population stays constant.

d. its population increases

Iflow from a warmer object to a cooler object until both objects are the same temperature what am i?

Asled is being held at rest on a slope that makes an angle θ with the horizontal. after the sled is released, it slidesa distance d1 down the slope and then covers the distance d2 alongthe horizontal terrain before stopping. find the coefficient ofkinetic friction μk between the sled and the ground, assumingthat it is constant throughout the trip. find the coefficient of kinetic frictionμk. express your answer in terms of someor all of the variables d1, d2, and θ.

Awhite-blue star is hotter than a red star. select the best answer from the choices provided true or false