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, Pornhub global temperatures were 2Read more
Health
When you look at objects under high magnification what happens to the brightness?
Asked by Anonymous
When observing objects under high magnification, the brightness of the image may decrease due to the limited amount of light entering 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.