Which scientist was NOT a scieltist who contributed to the Cell Theory? Sir Isaac Newton
Robert Hooke
Rudolph Virchow
Anton van Leeuwenhoek

d. planting trees

the trees take in carbon to make oxygen.

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!