During meiosis, genetic recombination results because –
A. chromosomes assort independently, and crossing-over occurs.
B. genes from different species can freely mix together.
C. gene mutations occur more frequently than at other times.
D. cells divide only once, resulting in genetically identical cells.

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.

answer; /// i believe the name your looking for is called (plaque)or check good luck

the actual answer was 160934