Answer:
Therefore, potassium can diffuse through the membrane but sodium cannot. Because the membrane is permeable to potassium ions, they will flow down their concentration gradient; i.e. towards the outside of the cell.
Explanation:
Answer:
Explanation:
Fossils provide a wide array of useful information to archaeologists. Aside from revealing the body structures of ancient organisms they also indicate the era in which the organism existed using the fossils carbon data. Also fossils can also help us understand how an organism survived and it's relationship to other plants and animals from the same time period. All of this information provides scientists with a clearer understanding of how are planet was in the past.
Explanation:
when trees are cut down, the bare surfaces left behind absorb more heat than the forest they replaced.And that heat helps draw air upward, pulling moist air in from nearby forested land that increases rainfall in the immediate area.