How much to pour a 35' vy 50' concrete pad?

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?

You are working in the lab and are working with the same element but with varying isotopes of the element. you are working with c-11, c-13, c-14, and c-15. what is the average atomic mass of this element? (use periodic table) a- 12 b-15 c-14 d-13

How do ratio scale and diagrammatic scale work