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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Tea. Jk I actually don’t know sorry
The tiny invaders being discussed in the article are plants. They are considered invaders because they came from other countries, but are now threatening the native plants. People brought them in because they wanted to make their gardens and yards beautiful because the plants are very rarely found locally.