Answer:
i only know 2a its to throw/disarge the excess water that soil don't absorb
The answer is An object is in motion if it changes position relative to a reference point. You assume that the reference point is stationary, or not moving.
Answer:
It has two main functions: cooling the plant and pumping water and minerals to the leaves for photosynthesis. Plants need to cool themselves for several reasons. ... Transpiration is an evaporative cooling system that brings down the temperature of plants, but since it leads to water loss, it must be accurately regulated.
Explanation:
1 one is correct.....he never think about linkage......later after chromosome mapping it was found that Mendel was lucky that they don't show much linkage !