Notice that the predicted percentages and laboratory percentages are not the same. these differences most likely result from .

The rate at which molecules water and oxygen can enter a cell is determined by the-

Which of the following statements is true? 1. the mantle of the earth is made of solid nickel and iron. 2. the crust of the earth is made of solid nickel and iron. 3. the inner core is made of solid nickel and iron.

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