Alcoholic beverages a. dilate the blood vessels and b. increase the amount of water removed from the blood. how would factors a and b affect blood pressure?

Which property is used to identify the origin of an igneous rock? color density hardness crystal size

Are the earth's ocean floor and continents the same age geologically? why or why not?

The wings of insects, birds, and bats evolved independently but carry out similar functions. this is an example of a. analogous structures. b. embryonic structures. c. vestigial structures. d. homologous structures.