Question

1. a state of matter that takes fills its container. its particles are spaced widely. you cant usually see it.

a. solid b. liquid c. gas d. plasma

1. state of matter that has volume and takes the shape of its container. therefore, it is a

a. solid b. liquid c. gas d. plasma

1. which state of matter has tightly packed molecules?

a. solid b. liquid c. gas d. plasma

1. what is the study of how the natural world works, how the environment affects humans, and how humans affect the environment?

a. environmentalism b. ecology c. environmental science d. biology

1. what term describes any of the natural materials and energy sources provided by nature that humans need to survive?

a. renewable resource b. natural resource c. fossil fuel d. synthetic resource

1. what term describes the environmental impact of an individual or population in terms of the total amount of land and water required to provide resources and dispose of waste?

a. carbon footprint b. ecological footprint c. water footprint d. energy footprint

Explanation:

1. Gases take the shape of and fill their container, with widely - spaced particles.
2. Liquids have volume and take the shape of their container.
3. Solids have tightly - packed molecules.
4. Environmental science studies how the natural world works, how the environment affects humans, and how humans affect the environment.
5. Natural resources are materials and energy sources provided by nature for human survival.
6. The ecological footprint measures the environmental impact in terms of land and water needed to provide resources and dispose of waste.

Answer:

1. c. gas
2. b. liquid
3. a. solid
4. c. Environmental science
5. b. Natural resource
6. b. Ecological footprint