Constellations are useful because they can help people to recognize stars in the sky. By looking for patterns, the stars and locations can be much easier to spot.
<u>Answer:</u>
<em>A. Mantle convection
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<u>Explanation:</u>
Ridges are formed over the divergent plate boundaries, it can be pushed by the mantle plume volcanism originated by the core mantle boundary at the Asthenosphere region over the divergent plate boundary. Seafloor spreading is the one of the evidences of plate tectonics theory. Subduction of the plate is the result of ridge push and slab pull, oceanic plate is less dense so its under beneath the high denser continental plate.
The water brings in nutrients to the soil therefore making the plants have a lot of nutrients. Also, the water helps plants grow too.
"Curre" is the latin word for "run".
They had to cross the Himalayas, Karakorum, and Kunlun mountain ranges