What is cylopasm? A. The center of control for a cell.

B. The organelle that create protein for a cell.

C. The membrane that surrounds a cell.

D. The substance that holds the organelle of a cell in place.

D. The substance that holds the organelle of a cell in place.

Explanation:

Cytoplasm is the material filled within the cell, and it holds the organelles in a cell in place.

the reaction mixture contains some ammonia, plus a lot of unreacted nitrogen and hydrogen. the mixture is cooled and compressed, causing the ammonia gas to condense into a liquid. the liquefied ammonia is separated and removed. the unreacted nitrogen and hydrogen are then recycled back into the reactor .

indicate valleys, hills, steepness and gentleness of slopes.

explanation:

contour lines on a map indicate elevation, or depth. numeric notations on contour lines refer to the level of elevation, or height about sea level.