Humans have bones and muscles that them move. which structure protects insects and gives them structure? a. skin b. rigid tubes c. exoskeleton d. other muscles

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

What effect does a decrease in temperature have on the overall rate of a chemical reaction? a decrease in temperature decreases . the reaction rate will

Why do lunar and solar eclipse not happen every month