Environmental Problems on Earth

What is the best definition for waste disposal?

• Throwing the trash out

• The collection, sorting, transport and management of waste

• Removal of garbage from your home

• Disposing of recyclables

What are the 3 main types of pollution?

• sun, land, water

• air, water, carbon dioxide

• air, water, land

• environment, soil, liquid

What is natural resource depletion?

• The use of resources faster than they are able to replenish

• The use of renewable resources

• A resource that is generated from nature

• A recycled resource

Which of the following is not an effect of climate change?

• longer periods of drought

• sea level rising

• wildfires

• increase production of H2O

What is a contaminant?

• a physical substance

• a polluting substance

• a harmful species

• polluted water

How does the ozone layer help the Earth?

• Helps prevent deforestation

• Helps remove pollution

• Helps block harmful UV radiation from the Sun

• Helps reduce Sun from reaching the Earth

The removal of trees from a large area of land is known as

• deforestation

• reforestation

• vegetation

• vegetation

What are the 3 most common natural resources we overuse?

• natural gas, coal, oil

• carbon, sulfur, helium

• rocks, trees, sun

• wind, water, sun

What does pH measure?

• What something is made out of

• The concentration of Hydrogen ions in a substance

• The levels of Carbon Dioxide

• The concentration of Helium ions in a substance

What is acid rain?

• Rain due to climate change

• Precipitation with high pH

• Purified H2O

• Precipitation that has low pH