Explain each of the following. a. Diffusion happens faster when the temperature rises.

b. Oxygen diffuses out of a plant leaf during daylight hours.

c. Water molecules can pass through Visking tubing, but starch molecules cannot.

d. An animal cell bursts if placed in pure water.

e. If a plant is short of water, its leaves lose their firmness and the plant wilts.

“Pls help me my teacher will talk to my mom if I don’t finish these questions”

Choose one animal (cheetas) and research on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.