<span>the rapid expansion of matter from a state of extremely high density and temperature that according to current cosmological theories marked the origin of the universe.</span>
No of moles = given mass ÷ molecular mass
n = 55.98 ÷ (12+19×2+35.5×2)
88g ( so sorry if this isn’t correct )
Please correct me if I'm wrong but I think the answer is b or c
also sorry if i do get it wrong
Answer:its y
Explanation:its going down with the most force, the end of the hill is the fastest if that makes sense
