Answer:
Proteins is a macromolecule that helps to send signals
Answer:
The soil and rocks in the zone of aeration have pores which are partially filled with water and air. The zone of saturation comprises rocks and soil whose pores are saturated with water. 3. The zone of saturation lies beneath the water table, while the zone of aeration lies above it.
Explanation:
Photosynthesis is when plants turn light from the sun into food (energy). The light from the sun is turned into energy by using chlorophyll. Chlorophyll absorbs blue and red light to turn Co2 and H2o into glucose.
B. the intensity o stimulus and the observer's criteria.
Different I think is your answer