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Studentka2010 [4]
3 years ago
6

Humberto measured the length of a stick's shadow from sunrise to sunset during the day. What did he notice from his observations

? A. Shadow length increased from sunrise to sunset. B. Shadow length increased from sunrise to noon. C. Shadow length decreased from sunrise to noon. D. Shadow length decreased from noon to sunset.
Biology
1 answer:
statuscvo [17]3 years ago
3 0

Answer: C. Shadow length decreased from sunrise to noon.

Explanation: Think about how the sun is positioned in the sky. If it was noon, the sun is above the stick which means little to no shadow at all. If the sun was rising, its hitting one side of the stick, making the shadow longer.

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If there are no specimen on the slide,the slide will still as transparent image at the focus.

No doubt Stella forgot to fasten the slide to the stage.,therefore the specimen on the slide was not in focus of the objective lens,rather she was focusing on the stage only,hence the visible white light.

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