A would be the best answer out of these choices because it’s closest to hot during the day and cool at night
I believe that during the second trimester, a pregnant woman need an additional 350 kcal per day. Dietary intake during pregnancy must provide energy that will ensure the full term delivery of a healthy newborn baby of adequate size and appropriate body composition. A pregnant women requires additional energy for the fetus and that explains the reason for the additional energy requirement.
Answer: conservative model
Explanation: DNA isolated after one generation produced a single band which was a higher and intermediate in density between the heavy and light Nitrogen isotopic DNA used, showing that the first generation was a hybrid DNA. This observation fit with the dispersive and semi-conservative models only. And so at this generation, the conservative model was discarded.
