Cells use passive and active transport to move materials across cell membranes in order to maintain a constant internal environment. what is the process of maintaining a constant internal environment called? * 1 point

Scientist have long study the earths climate by looking at which of the following? the earths orbit. the earths rock layers. the antarctic ice. the earths oceans.

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity

Communication and transportation have improved as a result of scientific advancements. select the best answer from the choices provided of mark this and return save and exit next