Question

say the crt answer. i will mark u as brainliest​

Answer 1

Answer:

I did the solution, check it.

Hope it helps.

Answer 2

Answer:

Helium - Weather Balloons

Vinegar - Acetic Acid

Diavalent basic radical - Mg

Compund acid radical - NH4

Diavalent Acid Radical - O2

All the best!

Hope it helps!

Edit... Well I was late! sry bout that