If a mother is heterozygous for B blood type and a father is heterozygous for A blood type, predict the possible blood types of the offspring.

If there were two offspring then one child will be Type B and the other will be Type A

type AB

Explanation:

         A     a

B      AB    aB

b       Ab    ab

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.

the dark variety, as they are not visible on the dark tree barks

explanation: