An acid has hydrogen ions than a base. a. less b. the same number of c. more d. none of the above

The correct answer is option c.

Explanation:

Acid : These are those substance which when dissolved in water gives hydrogen ions in their solutions.They pH value less than 7.

They have higher concentration of hydrogen ion in comparison to concentration of hydroxide ions.

Base : These are those substance which when dissolved in water gives hydroxide ions in their solutions. They have pH value more than 7.

They have higher concentration of hydroxide ion in comparison to concentration of hydrogen ions.

halogen, any of the six nonmetallic elements that constitute group 17 (group viia) of the periodic table. the halogen elements are fluorine (f), chlorine (cl), bromine (br), iodine (i), astatine (at), and tennessine (ts).

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.