Recycled products emit oxygen into the atmosphere.
Recycling plastic reduces the number of trees that need to be cut down.
It allows resources to be reused, instead of dumped in landfills.
If everyone does it, fewer resources will be used.
Every time you don't buy something, a new tree is planted.
It reduces the need for paper money, which saves trees.
Ask your parents to buy you a car.
Use only electric appliances.
Use less electricity and fuel.
There might not be enough food and water for everyone.
There might not be enough room to move around.
The continents might sink into the oceans.
Stop using electricity entirely.
Don't use any products made from trees.
Bike or walk instead of using a car.
Available to everyone.
Capable of being used for a long time.
Related to light and heat.
To help separate different types of recyclable plastics.
To identify where certain plastics are made.
To determine how many people use each type of plastic.
The planet would run out of natural resources more slowly.
More jobs would be created.
Landfills would fill up faster.
A coal-burning generator.
A wood-burning stove.
A gasoline-burning car.
Only in space.
Inside water molecules.
In every living thing.
The Industrial Revolution
The Civil War
The American Revolution
By causing very hot volcanic eruptions.
By trapping the sun's heat within the atmosphere.
By catching fire within the atmosphere.
The pace of global warming might increase.
We might run out of fossil fuels
Both A and B
A group of wind turbines that converts wind into electricity.
A farm where the wind blows seeds into the ground for the next harvest.
A geological formation where wind blows out of the ground.
Against the law
Trees soak up carbon dioxide and emit oxygen.
Trees soak up oxygen and emit carbon dioxide.
Trees provide shade that helps people and animals cool off.
Reduce the amount of gasoline we use.
Making sure to prevent forest fires.
Reducing the number of cows we raise.
Air pollution never affects rural areas.
Air pollution is worse in areas with many homes, cars, and factories.
There is no way to prevent air pollution.
Pesticides and fertilizers
They both involve strong winds.
They only happen in Texas.
They both form over the ocean.
Humans consume too much oxygen, preventing other species from breathing.
Humans have been forced to destroy dangerous, violent species.
Humans re-shape their environment, putting preasure on other species.