Answer:
A
Explanation:
"They" is plural must go with "balls "
its A:house's
if it were to be more than one house that own it it would be houses' or like bosses' and boss's
Answer:
its b i just did it and got it right i promise !
Explanation:
Answer:
False
Explanation:
It's always important to cross check information even if it comes from a site you've used before.
Answer:
See explanation
Explanation:
In order to answer this question, we have to look at the principle of conservation of mass. This principle states mass is neither created nor destroyed in a chemical reaction.
Hence, in a chemical system undergoing a reaction, the total number of atoms present in the system remain the same before and after the reaction. This also implies that the weight of the system does not change.
Thus, the weight of a chemical system does not change after a chemical reaction.
