Biogeochemical Cycles

The process of plants losing water through their leaves is called ____.

• condensation
• evaporation
• transpiration
• exhaling

Tags

NGSS.MS-LS2-3

What is the most abundant gas in the atmosphere?

• hydrogen
• oxygen
• helium
• nitrogen

Where are denitrifying bacteria found?

• In the soil
• Root nodules
• In dead things
• In the atmosphere

What happens during the process of nitrogen-fixation?

• Nitrogen compounds turn into free nitrogen
• Free nitrogen turns into nitrogen compounds

What is the only process that removes carbon from the atmosphere?

• combustion
• cellular respiration
• photosynthesis
• decomposition

Tags

NGSS.MS-LS1-6

What are examples of carbon sinks?

• ocean

• forest

• artificially made (man-made)

• clouds

Tags

NGSS.MS-LS1-6

Which cycle are fossil fuels (oil, coal, natural gas) part of?

• carbon

• water

• nitrogen

• phosphorus

Tags

NGSS.MS-ESS3-1

Which cycle DOESN'T have an atmosphere component (part)?

• carbon

• nitrogen

• phosphorus

• water

Which one of these does not add CO₂ to the atmosphere?

• cooking with gas

• planting trees

• burning wood

• riding in a bus

Organisms that break down dead plants & animals and release nitrogen back into atmosphere...

• bacteria
• plants
• animals
• producers

Tags

NGSS.MS-LS2-3