An increase in the atmospheric levels of carbon dioxide (co2) is the biggest contributor to which of the following? a . global warming b . el niño c. wind storms d . ozone depletion

passive transport is a movement of biochemicals and other atomic or molecular substances across cell membranes without need of energy input. unlike active transport, it does not require an input of cellular energy because it is instead driven by the tendency of the system to grow in entropy.

so, according to what that says, i believe it's hypertonic and hypotonic.

good luck!