Calculate the percent by mass of each element in
ammonium nitrate (nh4no3).
the first step is to calculate the molar mass of
ammonium nitrate!
what elements are present in ammonium nitrate?

D (nitrogen, hydrogen, and oxygen)

For the second question it's 2, 4, 3 (IN ORDER)

The last questions answer is 80.0

Explanation:

For edge:)

the mantle

explanation:

earth is divided into three layers: the crust or the outermost layer on which we live; the underlying, middle layer - the mantle - and the core (the innermost layer of earth).

it's c (engineer's do their work with mechanical stuff not on any living being)