A volcanic island called Nova was newly created in the Pacific ocean 50 years ago. Lichens began to grow on the volcanic rock. Then about 10 years ago some grasses began to grow in the soil that was created by the lichens.
a. What type of succession is this and how do you know?

the answer is b: 1.4 km/hr

make   gliitsh plesea   !

and after water is usually warmed by the sun the water temperature raises and then evaporates .

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.