What is magma?
solid rock with a fine texture
cooled rock with large crystals
molten rock below earth's surface
flowing rock above earth's surface

C. molten rock below the earth's surface

Explanation: Magma is called magma because that is the name of lava before it comes out of the ground.

Molten rock below Earth's surface.

Magma is actually melted rock that is hot enough to flow or a hot fluid or semifluid material below or within the earth's crust from which lava and other igneous rock is formed on cooling.

protein synthesis is an example of feedback mechanism which in homeostasis

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.