If you want to determine if planets farther from the sun have a longer orbital period because they have a longer orbit or because they move at a slower pace. What additional information would you need to answer this question? Please help ):

only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.

while the heads of the phospholipid structure attract water, the tails are hydrophobic. the model shows how the hydrophilic section folds around the fluid molecules to bring them into the cell so they don’t need to pass through the hydrophobic tails.