Biochemical stress is another factor fire
Water evaporates from the ocean and land surfaces, is held temporarily as vapour in the atmosphere, and falls back to Earth's surface as precipitation. ... Water that infiltrates Earth's surface becomes groundwater, slowly seeping downward into extensive layers of porous soil and rock called aquifers.
23, half of the total. This is because a zygote receives 23 from the mother and 23 from the father.
Your answer would be organism/organelle