Aform of dementia that causes progressive changes in brain cells is

Where would you expect to see seedless plants, such as ferns and mosses? a. in a botanical museum, because they are all extinct b. low and close to the ground in a moist environment c. climbing high while circling the branches of another plant d. deeply rooted in a forest with a trunk that reaches 20 meters or more

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?