..........Proteins..........
Falling pressure indicates the mass of the atmosphere above a point is decreasing, which can happen as the result of various atmospheric processes. In general, weather systems with low pressure at their centers (called cyclones) are associated with unsettled weather (clouds and precipitation) and strong winds. So, I’m guess cold and wet air mass.
3 rd step is wrong as we have to combine it with the pine tree gene and for that we have to use ligase !! DNA polymerase will not help in making recombinant DNA !!
For more info ; comment !!
The correct answer is 14th amendment. It was one of the reconstruction amendments after the civil war ended that was used to give civil rights to African-Americans.
I'm not positive but I believe the answer would be D