Question

part 2: earths resources and human use

1. categorize the following resources as renewable (r) or nonrenewable (n):

solar energy
natural gas
timber (wood)
aluminum ore
fresh water
geothermal heat

Explanation:

Renewable resources can be replenished naturally in a relatively short - time, while nonrenewable resources are finite and take a long time to form. Solar energy is constantly available from the sun. Natural gas is a fossil fuel and finite. Timber can be replanted and regrown. Aluminum ore is a mined resource and finite. Fresh water can be replenished through the water cycle. Geothermal heat comes from the Earth's internal heat and is renewable.

Answer:

Solar Energy: R
Natural Gas: N
Timber (Wood): R
Aluminum Ore: N
Fresh Water: R
Geothermal Heat: R