What is it called when lava cools and hardens? Sometimes magma flows upward and is forced out onto the earth's surface during a volcanic eruption. Magma that reaches the surface of the earth is called lava. When it cools and hardens, it too forms igneous rock. Igneous rock that is formed on the earth's surface is described as extrusive.n:
C. All of the above
The cell membrane helps maintain the osmotic potential by doing both A and B, it does not make ATP however.
Answer:
I would create a monster that has really long legs and is really big and so it would make people stay away from it, because they know it is going to hurt them if they go by him.
Explanation:
Answer:
True
Explanation:
The lumen of a blood vessel helps determine blood pressure as blood flows through lumen and bp is measured in the lumen of artery