Title: Answers About Health - freem

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The last time carbon dioxide (CO2) levels were as high as today was over 3 million years ago during the Pliocene epoch. At that time, global temperatures were 2

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Health

When you look at objects under high magnification what happens to the brightness?

Asked by Anonymous

When observing objects under high magnification, [link mesum](https://www.liteprogear.com/blogs/news) the [brightness](https://www.behance.net/search/projects/?sort=appreciations&time=week&search=brightness) of the image may decrease due to the limited amount of [light entering](https://healthtian.com/?s=light%20entering) the microscope objective. 

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Health

What species do modern human beings fall into?

Asked by Anonymous

Modern human beings belong to the species Homo sapiens.