Tensional forces are present at divergent boundaries.
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Answer:
Quebec is Canada's largest province.
Answer: the area of land that drains into a river or lake an inland basin that connects to another inland basin (D)
Explanation:
A watershed is an area of land which contains common rivers and streams that drain into a larger body of water like an ocean, lake or larger river. Watershed can either cover a small or large area.
Every streams flowing into small or larger rivers, and then into the ocean, develop a network of waterways. For example, Mississippi River watershed is a large watershed. Every tributaries to the Mississippi which collect rainwater drain into the Mississippi and it also drains into the Gulf of Mexico eventually.
They could adapt to live together so that for example one starts eating only seaweed while the other starts eating only organic matter so they don't compete for food. They could also adapt like when squirrels are separated into those who eat on trees and those who eat on the ground. The 2 urchin types could split into those who eat of the ground and those that eat what floats and drifts.