Answer:
The astronaut was asleep longer on earth then he was in space
Explanation:
calculate the boring stuff (speed, time) and it shows that he was asleep for a greater value in space
<em>A ) 7 GRAMS</em>
7 grams.
The sum of the reactants must equal the sum of the products.
Reactant = 100 grams
Products = 100 g mercuric oxide - 93 g mercury which equals 7 grams oxygen.
It is 4.3
because 15.7 minus 11.4 is equal to 4.3.
its C i hope this helps