Education from kindergarten through the eighth grade is considered school.
elementary
secondary
postsecondary
primary

The correct answer will be option-elementary.

Explanation:

The modern education system of the world has categorized the education according to the age group of the children which could vary depending on the country. The education given to the age of 2 to 12 years is usually considered elementary education as it provides the basic formal education to the students.

The children get their elementary education from the kindergarten to the eighth grade and thus, elementary is the correct answer.

carbon atoms, hydrogen, oxygen, and nitrogen.

a) carbon, hydrogen

b) carbon, hydrogen, oxygen, nitrogen

c) carbon, hydrogen, oxygen, nitrogen, phosphorus

d) sugar

e) amino acid

f) nucleotide