Which statement best describes saturation?
a. saturation refers to the total rainfall for a year.
b. saturation refers to the lack of rainfall on a given day.
c. saturation occurs only in hot, dry climates.
d. saturation is reached when the amount of water vapor in the air has reached the maximum amount.

African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.

Which of the following is not a potential result of deforestation?

Identify the composition of oceanic and continental crystal rocks. in a model of earth’s interior, where would these rocks appear?