carbon cycle
Animals get the carbon and energy they need by eating this.
What is plants?
When water evaporates it turns into a what
What is a gas?
____ in soil can convert nitrogen back to a gas.
What is bacteria?
Soil erodes into _____.
What is oceans?
Respiration uses food and oxygen to create this.
What is chemical energy?
What moves slowly towards rivers and oceans because it is stored for a period of time in the ground?
What is groundwater?
What happens when an organism dies?
It is likely to be recycled or reused.
True or false: Phosphorus is present in every place on the planet.
False
There are how many stages of decomposition.
What is two?
Much of the water that falls to Earth does what right away from the ground or puddles.
What is evaporates?
____ _____ is the movement of nitrogen between the enviroment and living things.
What is nitrogen cycle?
Humans obtain phosphorus through _______.
What is their diet?
These are the two reactants of combustion.
What are fuel and oxygen?
The tiny water droplets form what?
What is clouds?
____ causes some nitrogen fixation.
What is lightning?
Phosphorus is a part of this group on the periodic table.
What is the nonmetal group
The process of burning a substance.
What is combustion?
When water evaporates, it becomes an inivisble gas in the what?
What is atmosphere?
The breakdown of substances into simpler molecules is called what?
What is decomposition?
True or false: Phosphorus is needed for cellular respiration.
True