In people Brown eyes are dominate to blue. A heterozygous brown eyed man marries a heterozygous woman. What is their chance
of having a blue eyed kid?
0%
25%
50%
100%

25%

Explanation:

       B            b

B      BB .      Bb

b .    Bb        bb

Only 1 bb to able to make a blue eyes child.

1/4 = 25%

significant amounts of nitrogen oxides, carbon monoxide, and other pollution

explanation:

passenger vehicles are a major pollution contributor, producing significant amounts of nitrogen oxides, carbon monoxide, and other pollution. in 2013, transportation contributed more than half of the carbon monoxide and nitrogen oxides, and almost a quarter of the hydrocarbons emitted into our air.

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.