Which of the following cell structures aids in the maintenance of homeostasis (equilibrium) by regulating the passage of materials into and out of the cell? cell membrane
vacuole
chloroplast
cytoplasm

It is believed that europa, one of jupiter’s moons has an ocean beneath its surface. based on how earth’s oceans and atmosphere are believed to have formed, what can be said about europa’s supposed ocean? the arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced , similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s .

Eutrophication caused by human nutrient pollution.

In this picture, groups of pigment that capture light energy are located on the