they tend to close the stomata to prevent water loss
<span>The correct option is A. In nuclear fusion, two deuterium nuclei are fused together in the presence of high temperature and pressure to produce HELIUM NUCLEUS, neutron and energy. Very high quantity of energy is liberated during the process. Deuterium is a stable form of hydrogen and is found in water. </span>
Answer:
A. movement of molecules across a semipermeable membrane against a concentration gradient with a protein
Answer is B. The length of a day on mercury is much longer than Earth
