When broken pieces of rock are carried away from the parent material, the process is known as A deposition B. erosion C. weathering D. landscaping or E transpiration

Weathering is the process where rock is dissolved, worn away or broken down into smaller and smaller pieces. There are mechanical, chemical and organic weathering processes.

and Erosion is the process of eroding or being eroded by wind, water, or other natural agents and the action of surface processes that removes soil, rock, or dissolved material from one location on the Earth's crust, and then transports it to another location.

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.

the supermassive black hole is in the middle of the galaxy.