D because these are the biggest particles, and are therefore, the most dense.
Stephanie is incorrect. Since fossil fuels form in the absence of oxygen, if oxygen is present, they cannot form.
(sample answer:)
and 
.
Assuming complete decomposition of both samples,
First compound:
; 
of the first compound would contain
Oxygen and mercury atoms seemingly exist in the first compound at a 
ratio; thus the empirical formula for this compound would be where the subscript "1" is omitted.
Similarly, for the second compound
; 
of the first compound would contain
and therefore the empirical formula
.
Answer:
yes
Explanation:
because I think it is correct fo u
