In general, temperature decreases with altitude in the layer(s) of the atmosphere. A. Stratosphere
B. Mesosphere
C. Troposphere
D. Both B and C

The answer is C.

In the troposphere, temperature decreases with altitude. This happens because the troposphere's gases absorb very little of the incoming solar radiation.

25% or 1/4 of the offspring would have red flowers, 50% or 1/2 of the offspring would have pink flowers, and 25% or 1/4 of the offspring would have white flowers. i crossed rr and rr which are the pink-flowered genotypes to find these ratios.