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Why are mountains called islands in the sky?
What is a metapopulation and why are they important?
What differs between type I survival and type III survival?
explain in details and type the answer please
A student is making a diagram of the water cycle. What should the student draw to illustrate runoff?
◯ A. An arrow pointing from a cloud to the ground
◯ B. An arrow pointing from a plants leaves to the skies
◯ C. An arrow pointing down a hill to a body of water
◯ D. An arrow pointing from a body of water to the sky
Explain the reason for each of the following:
a) If you are trying to see a faint star in the night sky, it is better to look slightly to one side of it rather than straight at it. (think of the cells you are using)
b) Why is it easier to study an object in detail if you look straight at it? (think of the cells)
c) Why does the eye pupil dilate (i.e. widen) in dim light?