Which type of pathogenic microbe causes aids?
(1) a bacterium
(2) a virus
(3) a multicellular fungus
(4) a single-celled algae

Did you know that a single bee would have to go to over 2 million flowers to make a single pound of honey?

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates

20. in humans, freckles are dominant to no freckles. trey has no freckles and his wife anna grace has freckles, but her dad doesn't. they want to know what percentage of their kids would look like trey. show a punnett square to support your answer.