Who were the scientist in ancient Egypt?

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Explanation:

Egyptian civilization - Sciences. While much of the world was living in primitive conditions, the ancient Egyptians were inventing writing and advancing the sciences of mathematics, medicine, and astronomy. They developed ways to measure time and distances and applied their knowledge to monumental architecture.

Egyptian civilization - Sciences. While much of the world was living in primitive conditions, the ancient Egyptians were inventing writing and advancing the sciences of mathematics, medicine and astronomy. They developed ways to measure time and distances , and applied their knowledge to monumental architecture.

Explanation:

the answer for 3 is b and the answer for 4 is d