SCI 200--Practice Milestone 3 Questions
and Answers (Solved)
Select the true statement about water usage.
Households, industry, and agriculture use roughly the same amount of water.
Agriculture uses the least water.
...
SCI 200--Practice Milestone 3 Questions
and Answers (Solved)
Select the true statement about water usage.
Households, industry, and agriculture use roughly the same amount of water.
Agriculture uses the least water.
Industry uses the most water.
Households use the least water. ✔✔Households use the least water.
In the United States, which of the following is the percentage of grain grown that is used for animal
feed?
100%
75%
50%
90% ✔✔90%
Which of the following correctly lists the three crops that supply the majority of human caloric
needs worldwide?
Potatoes, rice and barley
Potatoes, soybeans and corn
Wheat, soybeans and barley
Wheat, rice and corn ✔✔Wheat, rice and corn
Which of the following is describes a sustainable agricultural practice?
Enhances and replenishes natural resources
Uses resources in a manner that doesn't degrade them
Focuses on natural fertilizers instead of synthetics
Provides technical instruction on methods less harmful to the environment ✔✔Uses resources in
a manner that doesn't degrade them
Which characteristic describes developing countries?
Experience less famine
Consume the most meat resources per capita
Contain the fewest number of people
Have the fastest rate of population growth ✔✔Have the fastest rate of population growth
Which of the following is true about the breakdown of water on Earth?
Although there is an abundant supply of water on Earth, very little freshwater is readily available.
Approximately 80% of Earth's surface is covered by oceans and another 10% by lakes and rivers.
There is an infinite supply of water on Earth as new water is constantly added through the water
cycle.
Nearly all freshwater is found in glaciers, which eventually melt into lakes and rivers for human
consumption. ✔✔Although there is an abundant supply of water on Earth, very little freshwater is
readily available.
Select a way that humans impact aquifers.
Use chemicals to purify the water in aquifers.
Increase underground water levels.
Expose groundwater to evaporation.
Contaminate groundwater with fertilizers. ✔✔Contaminate groundwater with fertilizers
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