1
When land becomes desertlike and can no longer be used to grow food, this is called:
desertification
What action would most directly help reduce the amount of trash in landfills?
Practicing reduce, reuse, and recycle and composting
A growing population often ______________________ the use of natural resources such as land, water, and wood.
increases
reduce, reuse or recycle
Composting food scraps (turning them into soil)
recycle
Something from Earth that living things use to meet their needs
natural resource
What percentage of trash is placed in landfills, as stated in the lesson?
55%
How does composting help land resources?
It improves soil quality by adding nutrients from decaying organic matter
How does urbanization often increase the risk of flooding?
Paved surfaces prevent water from soaking into the soil
Why is hazardous waste dangerous?
It can affect soil, air, and water quality and harm living organisms
why are groundwater and minerals are considered natural resources?
They are materials from Earth used to meet human needs.
Which of the following would help reduce the amount of trash in landfills?
A. Buying products with extra packaging for protection
B. Reusing containers and recycling materials like paper and plastic
C. Throwing away items quickly to keep spaces clean
D. Using single-use items for convenience
B. Reusing containers and recycling materials like paper and plastic
Reduce, reuse, recycle
Using glass jars to store food or supplies
reuse
____________________ is the contamination of the environment with substances that are harmful to life
pollution
What is one major risk of using large amounts of chemical fertilizers and pesticides on farms?
Runoff can pollute groundwater and harm aquatic organisms.
Which process do trees perform that helps reduce carbon dioxide in the atmosphere?
Photosynthesis
______________________ is restoring land after mining or major disturbance
reclamation
Deforestation most directly causes __________________
loss of habitats
Reduce, reuse or recycle?
Turning off lights when you leave a room
reduce
What is select cutting?
Removing only some trees in an area instead of the entire forest
_____ is the careful use of Earth’s materials to reduce damage to the environment.
conservation