How do the displacement, velocity, and acceleration of a runner change as he races from the starting line
toward the finish line along a straight path?

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough

Nonpoint source pollution is difficult to control because it