An ectotherm is an animal that relies on environmental interactions to control its body temperature. which of the following animals is an ectotherm?
a) robin
b) koala
c) horse
d) anaconda

Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.

During which time interval does the object travel approximately 10 meters

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage