MGU2 Lesson 2 Flashcard

Front

What is a trade-off?

Back

A trade-off is a situation where you have to give up one thing to gain something else. In economics, it often refers to the balance between two competing needs or desires.

Front

What is the primary source of electricity in the US?

Back

The majority of electricity in the US comes from Coal and Natural Gas.

Front

What are natural resources?

Back

Natural resources are materials or substances that occur in nature and can be used for economic gain, such as water, minerals, and forests.

Front

What geological processes affect the distribution of natural resources?

Back

Geological processes include the formation of mountains, erosion, sedimentation, and volcanic activity, which all influence where natural resources are found.

Front

What are renewable energy sources?

Back

Renewable energy sources are energy sources that can be replenished naturally, such as solar, wind, hydroelectric, and geothermal energy.

Front

What is hydropower?

Back

Hydropower is energy derived from the movement of water, typically generated by dams that harness the flow of rivers.

Front

What is the ecological impact of building dams for hydropower?

Back

Building dams can change the ecology of rivers, affecting fish populations, water quality, and the surrounding environment.

Front

What is recycling?

Back

Recycling is the process of converting waste materials into reusable materials to reduce waste and conserve natural resources.

Front

Why is recycling aluminum cans important?

Back

Recycling aluminum cans helps preserve natural resources, reduces energy consumption, and decreases pollution.

Front

What is the difference between renewable and nonrenewable resources?

Back

Renewable resources can be replenished naturally over time, while nonrenewable resources exist in finite amounts and cannot be replaced once used.