Answer:
"it was once part of the organisms from which the fossil fuels formed"
Answer:
Your answer is A) Sedimentary. The rocks and pebbles you see on a daily basis are most likely limestone, which is an abundant sedimentary rock.
I believe the answer you're looking for is:
Condensation- If the air cools, then water vapor molecules slow down and some can not remain a vapor. They cluster in the air to form tiny liquid droplets. This is called condensation. In clouds, the liquid droplets formed by condensation are small and light enough that they stay in the air.
<em>hope this helps! :)</em>
Answer:
The sodium-potassium pump is an active transporter because it needs to move sodium and potassium ions against the concentration gradient.
Explanation:
You have to think of it as outside vs inside the cell.
Outside the cell, you have 5mM K and 150mM Na. Inside the cell, you have 100mM K and 10mM sodium. Without the transporter then the ions would go from greater concentration to lower concentration. Energy keeps the ions going from the way they would naturally happen.
