Question

difference between useful microorganisms and harmful microorganisms​

Answer 1

Explanation:

microorganisms has 14 letters

microorganisms are not harmful to human being

harmful microorganisms has 21 letters

harmful microorganisms are harmful

Answer 2

Answer:

Electricity is a form of energy. Electricity is the flow of electrons. All matter is made up of atoms, and an atom has a center, called a nucleus. The nucleus contains positively charged particles called protons and uncharged particles called neutrons.