Question

Which of the following join together to form molecules?

1. Atoms
2. Organisms
3. Organs
4. Tissues

Answer 1

Atom

Step-by-step explanation:

atom ⇒ molecule ⇒ cell ⇒ tissue ⇒ organ ⇒ organ system ⇒ organism.

Answer 2

The answer is A. Atoms.