Question

question 38 of 40
wind, sun, corn, and biofuels are all examples of which of the following?
a. tariff
b. renewable energy
c. international trade
d. nonrenewable resources

Explanation:

Renewable energy sources can be replenished naturally. Wind, sun, corn (for biofuels), and biofuels themselves are all renewable. A tariff is a tax on imports. International trade is the exchange of goods and services across countries. Nonrenewable resources (like fossil fuels) cannot be replenished in a short time - scale.

Answer:

B. Renewable energy