It isn't easy to find wolves in Yellowstone because they are and . Question 2 options:

a. nocturnal and dark in color

b. camouflaged and quiet

c. elusive and sensitive to the presence of humans

d. living in caves and high up in the mountains

Ibelieve it is d but i may be wrong

See diagram.we use washers to get the area and we will be integrating with respect to xouter radius is the  distance between y = e^x and y = -1    inner radius of washer is the distance between y = 1 and y = -1    the area of one cross-section of a washer is    solid lies between x = 0 and x = 2. the volume is    if you need this expanded, then    the question doesn't say to evaluate, so we're done.   

Students need to change their attitude