The nitrogen cycle is an example of a(n) biogeochemical
cycle. Its processes include the conversion of atmospheric nitrogen into ammonia, which is called
Choose... photosynthesis, denitrification, nitrogen limitation, nitrogen fixation
. Nitrogen is returned to the atmosphere in the process of
Choose... denitrification, nitrogen fixation, nutrient return, nitrogen limitation

Often, caries will develop in an area of the tooth that's not readily accessible. which cavity preparation form defines this? a. retention b. resistance c. outline d. convenience

Explain how the political influence of african americans leaders became weaker.

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?