In many areas with karst terrain, people use sinkholes as places to dump garbage. What effect might this practice have on the groundwater supply?

Which of the following is not true concerning the layers of the Earth? a. The core is mostly composed of metals. b. The mantle has both solid and liquid regions. c. The layers of Earth are uniform in thickness. d.

In the united states and canada, the most common problem with using wood as a major heat source is

Which of the following biomes is being described below? tropical grasslands with scattered trees and shrubs a. desert b. tundra c. forest d. savanna

How many moon does saturn have

A stream is flows towards the southeast. It is 50 miles long and it flows from a mountain spring 3450 feet above sea level. The stream discharges into a river at an elevation of 1100 feet above sea level.

Fossil fuels have formed from plants and animals that lived millions of years ago. true or false

A. Bering Glacier B. Hubbard Glacier C. Kilimanjaro Glacier D. Blue Glacier E. Lambert Glacier F. Columbia Glacier G. Kutiah Glacier H. Gangotri Glacier 1. ___ Which one of these glaciers is part of a continental ice sheet? 2.

Which European nation was the most influential in colonizing Brazil? A. Spain B. France Portugal D. England

What crops grow abundantly in the Central Valley of Chile? A) fruit, vegetables, and wine grapes B) sugar cane, rice, and oranges C) cacao, coffee, and bananas D) corn, wheat, and barley

Sections of active fault lines that haven't experienced a significant earthquake for a long time, even though adjacent sections have, are called a. stress accumulations. b. recurrence gaps. c. seismic risks. d. seismic gaps