Answer:
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defination;global warming is a slow and and steadt rise in earths surface temprature.it occurs when carbon dioxide and green house gases collect in the atmosphere and collect sunlight.global warming started happening many years ago by burning fossil fuels and coal,gas just to run factories. today there is more carbon dioxide in the atmosphere.sea levals hv also been rising up. to reduce global warming, we need to reduce the green house gases in the atmosphere. we also need to stop burning bushes,dry leaves. this will reduce global warming much better.
Answer: Most likely B, Cost and time.
If I was transporting goods, I wouldn't want to pay more than I need to.
Hope this helped.
Answer:
on the coast near the seas I think
Convection currents in the magma drive plate tectonics. Heat generated from the radioactive decay of elements deep in the interior of the Earth creates magma (molten rock) in the aesthenosphere.
Sea-floor spreading begins at a mid-ocean ridge,which forms along a crack in the oceanic crust.along the ridge,molten material that forms several kilometers beneath the surface rises and erupts