Subduction is, "<span>the sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate." The basalt would most likely be swallowed up into the ground.
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3. Due to the fact that friction is not converted to kinetic energy nor potential energy. The energy is converted into heat energy which is lost and can’t be put back
Neglecting friction and air resistance, the first hill must be built 4 times higher than it is now.
Yes, it did help to change the world climate
for example by the Carbon Dioxide released from factories, Cars and even from respiration
