Answer:
<em>A ) 7 GRAMS</em>
Explanation:
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.
Answer:
2 thousand day
Explanation:
I think it because 7,7 billion divide 385=2000000
(385:PERSON WILL BE ZOBBIE PER DAY)
I hope it'll help you much