How does the sun make energy

Like most stars, the sun is made up for the most part of hydrogen and helium particles in a plasma state. The sun creates vitality from a procedure called nuclear fusion. During nuclear fusion, the high weight and temperature in the sun's center reason cores to isolate from their electrons.

Explanation:

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.

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.