B. People in the United States took more vacations
hope this helps
D. Backbones.
All of the animals listed are vertebrae, a classification of animals that means they have backbones. Fish do not have legs, lungs, or hair, and birds lack hair as well.
The surface area of the L-shaped prism is the sum of the surface areas of the two rectangular prisms that make up the figure. So,
SA = (8(8) + 8(14) + 8(14))(2) + ((14-8)(6) + (14-8)(8) + 6(8))(2)
SA = 632
The answer is
C. 632 ft2<span />
