My land

What is recycling?

• Using something again.

• A bike with auxiliary wheels.

• A kind of rare plant.

Answer explanation

You save trees when recycle paper.

How will you save energy?

• By leaving the faucet on?

• By leaving the lights on?

• By turning off the lights and closing the faucet?

Resource efficiency can be achieved by:

• Reusing

• Recycling

• Redusing

• All are correct.

What are some negative consequences of recycling?

• Recycling means less trash goes to landfills.

• Recycling gives people the false idea that it΄s ok to buy more.

• Recycling materials means using less new materials.

A measure of human demands on earth΄s ecosystem:

• Trade and consumption

• Nature

• Ecological footprint

• Environment

Biodegradable means:

• when items are recycled

• materials that have the capacity to decompose under natural condition

• chemicals are added to decompose items

The term sustainability refers to

• opposing change

• keep natural environment and human society happy and healthy

• maintain resource use at higher level

• the belief that humans are the dominant force of the planet

Which of these energy resources is not renewable?

• wind

• solar

• natural gas

Which of these is renewable energy?

• coal

• gas

• hydropower

• oil

What is organic farming?

• Farmers only sell their products.

• Use genetically modified seeds.

• Free of pesticides and chemicals.