Today we also discussed evolution and slow change over time. We
discussed that evolution is not debated (the mechanism for evolution is)
and that we have even seen change in humans in the last two to three
hundred years.
Typically humans are getting taller and have bigger feet
than their parents and grandparents. We think this is because of better
nutrition.
We talked about the fossil record and how
evidence shows whales changing from land mammals to sea mammals over
millions of years and how you can observe the small changes in skeletal
structure changing over time.
Polar Vs NonPolar Covalent Bonds
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Anyone who has ever had to share something with someone else knows that
sometimes isn't exactly even. Covalent molecules or bonds are no different.
If a ...
6 years ago
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