Tropical places are hot because the humidity coming from the moisture of the plants and water are heated by the sun on the top layer of the tropical zone. The climate varies little in rain forest. There are five layers in the tropic trees so it's so thick that barely any light come through. This is also why vines grow up the trees so they can reach the sunlight to get nutrients. Also, the tropics are near the equator and that also causes the heat. The polars are cold because they barely get any sun heat to melt the snow or warm it up. The polars are melting due to certain chemicals and gasses in the atmosphere. also known as global warming. Hope that was helpful!
Answer:
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Hard minerals are one of the main conditions that lead to a slower rate of weathering.
Rocks are made from different minerals and each mineral has different degree of hardness. Therefore, rocks made from <em>extremely hard minerals keep colder</em> and resist longer to weathering changes than the ones made from soft minerals.
