Deep ocean currents are created _________________________________
1
45 sec
Q.
Which of the following correctly describes the distribution of Earth's freshwater?
2
45 sec
Q.
Nonpoint pollution of our streams and rivers is harder to control than point pollution. This is because nonpoint pollution ____________________________ .
3
45 sec
Q.
Which of the following could be a result of exponential human population growth?
4
45 sec
Q.
Which of the following is NOT a way that humans alter the quantity water flowing through a watershed?
5
45 sec
Q.
Which of the following is NOT an indicator of water quality?
6
45 sec
Q.
Which of the following correctly describes the distribution of Earth’s water?
7
45 sec
Q.
The water in your drinking glass may have been part of
8
45 sec
Q.
Which of the following best describes the most important interaction of Earth’s saltwater with other Earth systems?
9
45 sec
Q.
Freshwater is considered a limited resource because
