Answer:heheheheheheheheheh
Step-by-step explanation:
im funny
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 :)
Answer:
B.
Step-by-step explanation:
<h2>Hope it helps thx</h2>
<h2>#CARRYONLEARNING!</h2>
142 houses can be built
71/2 reduces to 35.5
35.5/.25 = 142