Write a paragraph on your opinion about the government regulation of chemicals. Your paragraph should have a minimum of ten sentences. Should there be more or less regulation? Why? Who should pay for additional studies? Why?

What do lava flows made of aa indicate about the type of volcanic eruption that occurred? a. the eruption was viscous. b. the eruption was pyroclastic. c. the eruption was explosive. d. the eruption was quite. !

Achemical that is released by an animal as a signal to other members of the same species is called a pheromone. t or f

The cellular plasma membrane is selectively permeable, which means some materials move through it while others cannot. the movement of materials into and out of the cell is called membrane transport. this activity will you identify the different mechanisms of membrane transport