Protecting Earth's Ecosystems

Which of the following is NOT one of the five Rs of zero waste?

• A) Reduce

• B) Reuse

• C) Refuse

• D) Replenish

Fill in the blank: To help protect the environment, you should ______ your organic waste in the compost bin.

• Refuse

• Rot

• Recycle

• Reduce

Which of the following is a type of ecosystem that includes both freshwater and saltwater landscapes?

• Grassland

• Desert

• Aquatic

• Forest

Fill in the blank: ______ ecosystems have the lowest temperatures and very little rain.

• Forest

• Tundra

• Grassland

• Desert

What is one consequence of climate change related to temperature?

• Cooler temperatures

• Hotter temperatures

• No change in temperature

• Colder temperatures.

Climate change causes water to become scarcer in some regions, affecting crops. This is known as increased ______.

• Rainfall

• Snowfall

• Drought

• Humidity

What is one of the main causes of the current climate change?

• The burning of fossil fuels

• The use of solar energy

• Planting more trees

• Reducing plastic use.

Fill in the blank: To help reduce climate change, we should use less ______.

• electricity

• petrol

• plastic

What is climate change?

• A decrease in Earth's temperature

• An increase in Earth's temperature

• No change in Earth's temperature

• A change in Earth's color.

What do fossil fuels release into the atmosphere?

• Oxygen

• Greenhouse gases

• Water vapor

• Helium