In the early days of life on Earth, plants were exposed to extremely high doses of ultraviolet radiation. Constant UV exposure resulted in some land plants developing narrow leaves with thick, waxy cuticles. Over many, many generations, these narrow leaves evolved into needles.
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Which layer of the eye completely surrounds the eye except for a dark, round opening called the pupil? a. sclerab. corneac. retinad. choroidthe answer is a sclera
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Which of the following can be assumed about the layers in areas 2 and 4
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In the early days of life on Earth, plants were exposed to extremely high doses of ultraviolet radia...
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