For the first one it isn't A btw
Explanation:
In the USA, children start school when they are five or six years old. Depending on the state, schooling is compulsory until the age of 16 or 18. Children younger than five can go to a nursery school or preschool.
Answer: cerebrum, cerebellum, and brainstem
Explanation: Cerebrum: is the largest part of the brain
brainstem is the posterior part of the brain adjoining, and structurally continuous with, the spinal cord
cerebellum (which is Latin for “little brain”) is a major structure of the hindbrain that is located near the brainstem
<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>
