Podcast
Questions and Answers
What percentage of the world's grain production is used to produce meat that many poor people cannot afford?
What percentage of the world's grain production is used to produce meat that many poor people cannot afford?
- 5%
- 50%
- 38%
- 33% (correct)
What is the projected population of the earth by 2050?
What is the projected population of the earth by 2050?
- 5 billion people
- 9.7 billion people (correct)
- 7 billion people
- 10 billion people
What are the factors that can lead to food insecurity?
What are the factors that can lead to food insecurity?
- Bad weather, climate change, and poverty (correct)
- Bad weather, war, and poverty
- Bad weather, war, and climate change
- War, climate change, and poverty
What are mineral reserves?
What are mineral reserves?
What are the five choices when a mineral resource becomes economically depleted?
What are the five choices when a mineral resource becomes economically depleted?
What happens when a mineral becomes scarce?
What happens when a mineral becomes scarce?
Which of the following is NOT one of the five choices when a mineral resource becomes economically depleted?
Which of the following is NOT one of the five choices when a mineral resource becomes economically depleted?
What are some of the minerals that are relatively scarce?
What are some of the minerals that are relatively scarce?
What happens when the market price of a scarce mineral increases?
What happens when the market price of a scarce mineral increases?
Which mineral is NOT obtained profitably from seawater?
Which mineral is NOT obtained profitably from seawater?
What minerals are found in sediments along the shallow continental shelf and adjacent shorelines?
What minerals are found in sediments along the shallow continental shelf and adjacent shorelines?
What minerals are especially rich in hydrothermal ore deposits known as black smokers?
What minerals are especially rich in hydrothermal ore deposits known as black smokers?
Which type of mining is mostly used to mine coal and various minerals on mountainous terrain?
Which type of mining is mostly used to mine coal and various minerals on mountainous terrain?
What is left after contour strip mining if the land is not restored?
What is left after contour strip mining if the land is not restored?
What is used to remove minerals in area strip mining?
What is used to remove minerals in area strip mining?
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