Need help please i need an answer

the smallest particle of an element is called an atom.

Compounds can be broken down to simpler substance through the process called Chemical Reaction, I think.

In the universe, makes up 75% of all matter, makes up   abut 20% and being the 3rd (5%) most abundant element.

Answer is

In the universe (hydrogen) makes up 75%

and (Helium) makes up about 20%

and (oxygen) being the 3rd makes up (5%)

Step-by-step explanation: Hope this helped :)

80x^8−68x^6+16^5−20x^4−4x^3+8x^2

hope i'm right lol

hello, never fear papaguy is here!

c. histogram

step-by-step explanation: