D)
Because a scientific theory is something that has been proven over the trials of many tests
Hope that helps :)
They're alive, they rely on the sun, and they require water.
Evaporation. Transpiration and photosynthesis deal with plants, living things. Sweating with humans, living things. Evaporation does not, therefore leaving it the only option left.
Answer: facilitate the transport of substances across a cell membrane.
Explanation:
Sex cells are haploid, therefore it has half the number of chromosomes (23) while other cells have 46