Which are characteristics of mammals? Check all that apply. internal fertilization
three-chambered heart
endothermic
highly developed nervous system
several nearly hollow bones
always live on land

What volume of a 2.00 m stock solution of naoh is needed to prepare 150. ml of 0.40 m solution?

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?

An atom of lithium (li) and an atom of chlorine (cl) engage in a chemical reaction. which correctly describes the structure of the resulting chemical compound? hint: consider the class of each element. the chemical compound will have a network structure. the chemical compound will have triple bonds. the chemical compound will have a ball-and-stick structure. the chemical compound will have double bonds.