Phloem Surface Cells transport food/nutrients from the leaves to the roots.
It's B because during day when temperature of air is increased water retains most of the heat to keep the temperature of atmosphere at tolarable limit. During night when sun sets ocean transfer its heat to atmosphere as heat always transfer from region of high temperature to region of low temperature. In this way temperature of air is stabilized.
Hope it makes sense to you
Answer:
The Control center is the nucleus, which stores DNA and decides the activity of the cell.
