Almost 99% of earths atmosphere is made up of two gases. what are the two gases and the percents of each? a) 21% oxygen and 78% nitrogen b) 21% water vapor and 78% oxygen c) 21% nitrogen and 78% oxygen d) 21% carbon dioxide and 78% oxygen pls

If 90.0 grams of ethane reacted with excess chlorine, how many grams of dicarbon hexachloride would form

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

Give more examples of this type of heat transfer: