Question

Write four basic elements which constitute more than 90% of protoplasm.​

Answer 1

$\huge{\pink{AnswEr♡}}$

Carbon, Nitrogen, Hydrogen and Oxygen are the four basic elements that constitute more than 90% of protoplasm. Q13. Write in brief about the variation in shape and size of cells.

Answer 2

Answer:

90% of protoplasm is made up of carbon, hydrogen, nitrogen and oxygen.