earth and space term 2 [exam]

Question 1

What are the impacts of carbon dioxide on a planet’s temperature

Answer 1

• Carbon dioxide gases reflect radiation from the Sun
• retains the warmth from the Earth
• Carbon dioxide gases trap a layer of heat close to the
  Earth’s surface. GREENHOUSE EFFECT
• The Greenhouse effect keeps the Earth warmer than
  it would normally be without carbon dioxide present

Question 2

define the carbon cycle

Answer 2

The carbon cycle describes the process where carbon atoms continually travel from the atmosphere to the Earth and then back to the atmosphere.

Question 3

what are the steps in the carbon cycle

Answer 3

• Moves from atmosphere to plants
• Moves from plants to animals
• Moves from plants and animals to the ground (decomposed)
• Moves from living things to atmosphere
• Moves from fossil fuels to the atmosphere
• Moves from atmosphere to the oceans

Question 4

Define carbon sink

Answer 4

A forest, ocean, or other natural environment with the ability to absorb carbon dioxide from the atmosphere.

Question 5

what are the 3 main carbon sinks

Answer 5

plants
ocean
soils