<span>Answer - C
Diesel exhaust fluid (DEF; an </span>aqueous urea solution) is injected into the exhaust manifold (<span>upstream of a </span>catalyst) at a precise dosing rate. In the exhaust pipeline, the aqueous urea vaporizes and decomposes to form ammonia (which <span>is the desired product</span><span>) and </span>carbon<span> dioxide.</span>
The answer is Depression. Jessica's mother died a year ago, but Jessica can't seem to move on. Jessica is still having a hard time sleeping at night, and concentrating in school. Last week, Jessica was even crying in the bathroom. Jessica is suffering from a medical illness called Depression. Depression<span> causes feelings of sadness and/or a loss of interest in activities once enjoyed.</span>
C. math // the other 3 classes are electives.
