The Importance of Trees

What do trees absorb and produce that helps reduce global warming?

• CO2 and O2

• O2 and nitrogen

• CO2 and methane

• O2 and carbon monoxide

Why do people cut down trees?

• For fuel, timber, and to clear land

• To plant more trees

• To create parks

• For aesthetic purposes

A counterstatement has the following functions?

• clarification

• refutation

• defense

• negotiation

What is the greenhouse effect?

• • A type of plant

• • A process that warms the Earth

• • A kind of weather

Which gas is a major contributor to global warming?

• • Oxygen

• • Nitrogen

• • Carbon Dioxide

What does recycling help to reduce?

• • Pollution

• • Water usage

• • Sunlight

What is deforestation?

• • Watering trees

• • Planting trees

• • Cutting down trees

Which of these is a renewable resource?

• • Coal

• • Solar energy

• • Natural gas

What is biodiversity?

• • The variety of life in a habitat

• • The number of buildings in a city

• • The amount of rain in a year

What does "sustainable" mean?

• • Using resources without harming the environment

• • Using all resources quickly

• • Only using renewable energy