<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>
I would have to say A. All answer choices are hazardous risks
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The correct answer is letter C.
Sea and land breezes over a large region that change direction with the season are called monsoons. These are seasonal changes in the direction of winds in a particular region which causes its wet and dry seasons.These monsoons are often associated with the Indian Ocean and tend to move from cold to warm regions in a particular region.
