Tropical rain-forests is a <span>biome in north America having the highest biodiversity.
Biodiversity means that there is a variation in the species of animals and plants that exist in a certain biome. A bio-diverse biome or ecosystem is one that supports or has a variety in these species.</span>
The theory of plate tectonics states that the Earth's solid outer crust, the lithosphere, is separated into plates that move over the asthenosphere, the molten upper portion of the mantle. Oceanic and continental plates come together, spread apart, and interact at boundaries all over the planet.
The population is not distributed uniformly throughout Canada's territory. The vast majority of people who make up the population of Canada live in the southern part of the country, near the American border, leaving the northern areas largely uninhabited.
Answer:
Melting would have caused denser substances to sink toward the center while less-dense materials would have migrated to the crust.
Explanation: