Answer:
Primary pollutants are emitted from natural or anthropogenic sources directly into the atmosphere, while secondary pollutants result from the chemical reactions or the physical interactions between the primary pollutants themselves or between the primary pollutants and other atmospheric components.
Answer:
it is B because the other answers logically dont fit in
The reaction of the decomposition of water into oxygen gas and hydrogen is balanced as such:

Using conversion factors, 2.0 mol H2O is equivalent to 1 mol O2, as per the reaction.
1 mol O2 is equivalent to 32g O2 (1 mol O2 *
)
Answer: 32 g of oxygen.
Explanation:
<h2>see the attachment. hope it will help you... </h2>