A watershed is the drainage area of a landscape where water from rain or melting snow and ice drains downhill into a body of water such as a river, lake, reservoir, pond, estuary, wetland, aquifer, sea, or ocean.
The right answer is C.invention
Contact lenses are placed directly on the surface of the eye to correct your eyesight.
They can correct myopia and hyperopia. They can also correct age-related astigmatism and hyperopia (presbyopia).
Their principle is the same as for glasses: they bend the light and redirect it to your retina to improve your eyesight.
Answer:_____________
Explanation:_____________
B. Mainly humid-continental with cool summers.
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