1 Which of the following are controversies over water usage in the United States? Select the three correct answers. (2 points)

A whether water treatment should be privatized
B whether people should drink bottled or tap water
C whether dams impact the volume of rivers
D whether there are hidden costs to tap water
E whether people should build dams on rivers
F whether dams increase the salt level of water
2 Which of the following agreements allocated 7.5 million acre-feet of water to each basin of the Colorado River? (1 point)
A Colorado River Compact
B Boulder Canyon Project Act
C Mexican Water Treaty
D Upper Colorado River Basin Compact

1. C, E, F

2. D (Upper Colorado River Basin Compact)

Drag each concept to indicate whether it increases or decreases the water levels and flow in a river each year. Terms may be used more than once.

Increase Decrease

Increase:

- Heavy rainfall
- Snowmelt
- River channelization
- Removing vegetation

Decrease:
- Drought
- Groundwater pumping
- Building dams
- Diverting water for irrigation or consumption

To find the correct answers to these questions, we will analyze each option one by one.

1) Controversies over water usage in the United States:
A) Whether water treatment should be privatized - This is a controversy over the management and ownership of water treatment facilities. It is one of the correct answers.

B) Whether people should drink bottled or tap water - Although this is a topic often discussed, it is not directly related to water usage controversies. Drinking preferences do not impact overall water usage itself. Hence, this option is not one of the correct answers.

C) Whether dams impact the volume of rivers - This controversy revolves around the effects of dams on river flow and water availability. It is one of the correct answers.

D) Whether there are hidden costs to tap water - This controversy discusses the potential hidden expenses and externalities associated with tap water infrastructure and usage. It is one of the correct answers.

E) Whether people should build dams on rivers - This controversy debates the construction of dams and their benefits or drawbacks. It is one of the correct answers.

F) Whether dams increase the salt level of water - While this is an important topic, it does not directly relate to controversies over water usage in the United States. The salinity issue is more specific to certain regions, and not a broader controversy. Hence, this option is not one of the correct answers.

Based on the analysis, the three correct answers to question 1 are A, C, and D.

2) The agreement that allocated 7.5 million acre-feet of water to each basin of the Colorado River is called the "Colorado River Compact." Therefore, the correct answer to question 2 is A.

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