Lesson 4.4 What are Natural Resources?
4.4 Vocabulary
natural resources: Natural resources are materials found in nature that are used by living things.
renewable resources: Natural resources that can be replaced quickly are called renewable resources.
nonrenewable resources: Natural resources that aren't replaced easily are called nonrenewable resources.
natural resources: Natural resources are materials found in nature that are used by living things.
renewable resources: Natural resources that can be replaced quickly are called renewable resources.
nonrenewable resources: Natural resources that aren't replaced easily are called nonrenewable resources.
|
|
uNIT 4.5
4.5 Vocabulary
pollution~ Pollution happens when harmful substances mix with water, air, or soil.
conservation~ Conservation is the use of less of something to make its supply last longer.
endangered species~ Endangered species are organisms whose whole population is at risk of dying out.
conservation~ Conservation is the use of less of something to make its supply last longer.
endangered species~ Endangered species are organisms whose whole population is at risk of dying out.