Which of these cells of the dermal tissue of plants prevent water loss and control gas exchange?
o phloem cells
O companion cells
O parenchyma cells
guard cells

Glucose is a form of sugar found in the blood cells use glucose as a source of energy, but too much or too little can cause serious health issues so, the body uses the hormone insulin to regulate glucose n the blood insulin maintain glucose levels in the blood if blood glucose lovels got very high, what would you expect to see happen to insulin levels?

How are gross production and net production different? a. net production is always greater than gross production. b. net production is always less than gross production. only animals have net production. d. only plants have net production. select the best answer from the choices provided

Long-period comets come from the oort cloud particles in earth’s atmosphere material from the asteroid belt the kuiper belt