You didn’t give us the options???
anyways: Water diffusion is called osmosis. Oxygen is a small molecule and it's nonpolar, so it easily passes through a cell membrane. Carbon dioxide, the byproduct of cell respiration, is small enough to readily diffuse out of a cell. Small uncharged lipid molecules can pass through the lipid innards of the membrane.
I'm assuming you meant 10^(14) instead of 1014
if so, then the energy of one photon will be be 4.76×10^(-19) Joules
It is important to note that whenever the physical environment is changed animals and plants have to adapt or they will go extinct. Overtime environments change in some instances is due to the slow movement of the continents which can take millions of years, Earth's climate also causes changes in the environment over a long period of time. Additionally, some changes can also be caused by people since people can change forests into farms or intro concrete streets as such.
2.) coal is the correct answer!
