14 SEP Develop Models Each helium atom has two protons. Sketch models of helium- 3 and helium-4, which have approximate masses of 3 amu and 4 amu, respectively.
Label and differentiate protons, neutrons, and electrons in your models.
2

How many moles of gas are present if p=11 atm, v=12l, t=185k?

If the concentration of phosphate in the cytosol is 2.0 mm and the concentration of phosphate in the surrounding fluid is 0.1 mm, how could the cell increase the concentration of phosphate in the cytosol? a) passive transportb) diffusionc) active transportd) osmosise) facilitated diffusion

According to the diagram, what sources contribute to the phosphorus found in soil? according to the diagram, phosphorus found in soil contributes phosphorus to what other sources?