Los agujeros negros no son negros.

Cierto

Falso

You look out over a field of sunflowers. A farmer has grown the sunflowers to harvest and sell the seeds. Some of the sunflowers are tall; some short. Some of the flowers are bright yellow; others more multicolored.

How do scientists confirm a prediction, for scientific method

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A replicated chromosome is known as a

Why do we need to cut our hair and finger nails?