What is CARBON?
It's a natural chemical ELEMENT common to all life.
What is NITROGEN?
It's a natural chemical ELEMENT, the most common in the atmosphere.
Why do humans need SOIL BACTERIA?
They help CYCLE NITROGEN by breaking down dead organic matter.
How does COMPOST enrich soil? Name one way.
Wow, you really know your stuff! / Sorry, we were looking for...
How can farmers replenish depleted soil? Name one way.
Wow, you really know your stuff! / Sorry, we were looking for...
Some natural resources replenish themselves. What are they called?
RENEWABLE.
What do human bodies need NITROGEN for?
DNA and PROTEINS.
Nitrogen + Oxygen = ?
AMMONIA.
Where is the MAJORITY of CARBON found?
In ROCKS and SEDIMENTS.
Plants ABSORB nitrogen during what?
ASSIMILATION.
