How does Nitrogen get into the soil?
decomposing organism and organism waste
What element is the atmosphere mostly made of?
Nitrogen
What 2 things fix, or change, nitrogen gas into usable nitrogen compounds for plants?
BACTERIA from plant roots and LIGHTNING.
What organism contributed 50% of the oxygen to the atmoshphere?
Phytoplankton
What are the four type of precipitation
Rain, snow, sleet, hail
What are the three ways carbon gets released into the atmosphere?
Water, animals/human respiration factories/car combustion
False
Happens to the Nitrogen compounds after they are changed by lightning?
They fall to the ground
In what process do bacteria and fungi break down a dead organism's tissues and use some of the carbon as food?
What is DECAY. Decompose
What the three types of fossil fuels?
Oil, natural gas, coal
The step in the water cycle when the water vapor turns back into a liquid.
Condensation
What is an example of something that produces carbon dioxide besides animals and people.
What is BURNING FOSSIL FUELS. (cars, factories)
Combustion
What is the name of the cycle that changes nitrogen gas into usable compounds for plants?
Nitrogen Fixation
True or false: Energy can be destroyed
False