The first one is epidermis, the second one is the dermis i believe, I hope this helps
<span>Alexander Graham Bell demonstrated the vibration of a membrane in the eardrum happens when sounds are transmitted. He demonstrated how one hears.</span>
Answer:
The pumping method of sodium-potassium pushes sodium and potassium ions against elevated concentration levels. It transfers two potassium ions into the cell where the levels of potassium are high, and pumps three sodium ions into the extracellular fluid and out of the cell.
Explanation:
ATP's hydrolysis is an active transport mechanism by the passage of sodium and potassium ions across the cell membrane to provide the required energy.
It has to be oxygen since it gives the fire ”nutrition”
Earth's crust is made<span> up of mostly oxygen, silicon, aluminum, iron, calcium, sodium, potassium and magnesium.</span>