19. Runoff from area “B” comes from a neighborhood of several homes. Runoff from this neighborhood combines and flows into the creek. What type of pollution source is this?

Provide one reason why mitosis occurs.

During a hot day, warm and moist air rises and cools in the atmosphere. which even would occur next on such a day? a. condensed droplets would gather to become water vapor. b. water vapor would condense into tiny droplets. c. water droplets would evaporate to form rain and snow.

When the solution concentration on the outside of a cell is greater than thesolution concentrate on the inside of the cell, what type of solution is the cellwithin?