Label three test tubes g for liquid gelatin, h20 for water, and ? for mystery food sample. use the graduated pipette to fill each test tube with approximately 5 ml of its respective solution. (the solution changes in each step of the experiment) what are the dependent, independent, and controlled variables?

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above

imagine a line passing through the center of earth that goes through both the north pole and the south pole. this imaginary line is called an axis. earth spins around its axis, just as a top spins around its spindle. this spinning movement is called earth's rotation. at the same time that the earth spins on its axis, it also orbits, or revolves around the sun. this movement is called revolution.

c.           is the correct answer