I do believe the early Egyptians, being as smart as they where used a interesting method of a sundial. It caught the suns shadow and they where able to use it to tell the time.
Egyptians are known for making a lot of advances in learning.
The two big ones are :
Paper
Hieroglyphs
Egypt is also known for various other things such as ...
The place of the first surgery.
The first place to incorporate plants, animal parts, and minerals into medicine.
Where the first physician lived.
There are many more advances in learning and great discoveries Egypt made, but the ones I listed only make up a few! If you'd like to learn more, I suggest looking it up.
Hope this helps! :)
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A letter from a soldier who fought in the Napoleonic Wars is considered a primary source.
The correct answer should be
<span>c. They developed in almost total isolation from the rest of the world
Only in the new century was it made possible to discover them when shipping became developed enough to allow people to cross into the new continent. They developed isolated from everyone and only ever met other American tribes from time to time.</span>
