Why are parsecs, megaparsecs, and gigaparsecs necessary in addition to the light-year when studying distances in space?

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

Babies with very low or very high birth weight are less likely to survive. observe a graph of the data. % babies born at different weights % babies born in that category 6.0 6.5 in 50-555 70-75 80-8511 100-1055 which statement is a valid claim that could be made using the data in the graph? directional selection is occurring because the graph favors an extreme. mark this and retum save and exit next submit o type here to search

Plants need carbon dioxide from their environment to produce glucose during which stage of photosynthesis?