Answer:
The lens
It helps to focus on objects and light
I think B because Testosterone happen near the tests
Answer:
Three Laws of Biology. “Social rules can be broken, but the laws of nature can't.”
A biological rule or biological law is a generalized law, principle, or rule of thumb formulated to describe patterns observed in living organisms. Many of these regularities of ecology and biogeography are named after the biologists who first described them.
Hello.
The Moon makes a full orbit around the Earth approximately once every 28 days. This means that the Moon orbits the Earth around 13 times in a year.
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