- The Nitrogen Cycle
Nitrogen is an important element in
It makes up
almost 80% of earth's _ and is required by organisms to make
_. Atmospheric nitrogen cannot be used by
living things so it must be converted into usable forms. The nitrogen
cycle is the movement of nitrogen through the food chain from
simple
_(not made from living things) compounds into
complex _
(made from living things) compounds.

Grade 91.)the gravitational pull from the moon words).2.) what is the rate of gravitational 3.)if you drop a hammer, is it more likely to drop handle side down, head side down, or equal chance that it will land either way? why? 4.)a car moves 60km east and 90km west.a.) what is the distance the car traveled? b.) what is the car's displacement5.)what is the average velocity of a car that moved 60 km south in 3 hours? 6.) a car starts from rest and acceleration to 60 m/s over a time of 5 seconds. what is the acceleration of the car? 7.)what is the speed of an object at rest?