[" 3.What is meant by the term "],[" chemical formula? "]

What is meant by the term "breed" ?

What is meant by the term "breed" ?

What is meant by the term chemical formula ? Write the chemical formula of calcium oxide. Calculate its formula unit mass. ("Atomic mass of Ca"=40u, O=16u) .

What is meant by the term buoyancy?

what is meant by the term extinction?

What is meant by the term, temperature' ?