I NEED ANSWER QUICK Which best describes the difference between physical and chemical changes?

Physical changes only change the size or shape, but chemical changes change the molecular structure and create a new substance.

Physical are always visible changes and chemical changes are never visible.

Chemical changes only change the size or shape, but physical changes change the molecular structure and create a new substance

Chemical are always visible changes and Physical changes are never visible.

Physical changes only change the size or shape, but chemical changes change the molecular structure and create a new substance.

Explanation:

The first option provides are more fitting and succinct definition and shows the difference between physical and chemical changes.

In addition; a physical change is one that alters the physical properties of matter particularly the form and state. In many cases, the change is easily reversible

A chemical change is one in which a new kind of matter is formed. It is always accompanied by energy changes. This process is not easily reversible. Examples are combustion and rusting of iron.

the answer is 1260

you spend 7 hours in school for 1 school day with 5 school days in 1 school week with 36 school weeks in a school year.

7*5*36= 1260 it's all about multiplying