The water table is the

a. lower boundary of the zone of saturation.

b. zone of aeration.

c. aquifer.

d. upper boundary of the zone of saturation.

A community of living things together with their environment is a (n)

Which best describes the physical features of the Ridge and Valley region? O It has scenic canyons and caves. O It has the state's most important waterways. O It includes the state's highest peaks.

Which process in the water cycle is directly responsible for cloud formation?

The high abundance of iron on the surface of mars is indicative of what difference between earth and mars?

What can be defined as an information technology enviorment?

Originally the earth probably had this type of environment a) artic b) temperate c) greenhouse

Arable land is land: a. that has been destroyed in a natural disaster b. that has experienced severe soil erosion c. that is habitable d. that will grow crops

What was the name of the river system where the Pagan Kingdom developed? Irrawaddy Mekong Saigon Ganges

The North African Maghreb states, dominated by the Atlas Mountains, do not include A. Libya. B. Morocco. C. Algeria. D. Tunisia.

What is the composition of the continental crust?