oxygen is a gas produced by _ and used by  _ 

• plants and animals 
• photosynthesis and carbon dioxide 
• animals and plants 
• carbon dioxide and photosynthesis

Tags

NGSS.MS-LS1-6

if there is a fire in a forest, there will be less _ in the environment?

• nitrogen
• oxygen

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

All of the carbon in existence is continually recycled in the carbon cycle

• True
• False

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS2-3

Subduction and Volcanic eruptions are part of which carbon cycle?

• Geological

• Biological

Tags

NGSS.HS-ESS2-6

Decomposition and Photosynthesis and part of which carbon cycle?

• Geological

• Biological

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Carbon enters the soil through dead plant or animal matter.

• Decomposition

• Respiration

• Photosynthesis

• Diffusion

Tags

NGSS.MS-LS2-3

Organic matter, burred over millions of years

• Fossil Fuels

• Decomposition

• Combustion

• Subduction

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS3-1

What does NOT produce carbon dioxide?

• Photosynthesis
• Burning Fossil Fuels
• Animal respiration
• Plants decaying

Tags

NGSS.MS-LS1-6

Combustion is another word for __________.

• Transportation
• Respiration
• Fossil Fuels
• Burning

TRUE or FALSE?
All of the carbon in existence is continually recycled in the carbon cycle.

• True
• False

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS2-3