YOU GUYS PLEASE HELP ME ITS URGENT AND ITS ABOUT ATOMS IM STRUGGLING PLEASE

In order (blanks):

1. Atoms, subatomic, proton, neutron, electron, electron

2. same, different

3. A

4. B

5. Diagram B features compounds, while diagram C features diatomic molecules of an element.

Explanation:

These words and answers may vary depending on your course or teacher, but I tried my best on filling in the blanks for you :)

- and yes, "electron" is indeed filled in twice for number 1.

the answer is "a.) well–developed vascular system."

explanation:

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds