When was plywood invented?
-
3500 BC
-
200 AD
-
675 AD
-
1835 AD
A
Correct answer
Explanation
Ancient Egyptians around 3500 BC created early forms of plywood by gluing thin layers of wood together for furniture and coffins. While modern plywood manufacturing processes developed in the 19th century, the basic technique originated in ancient Egypt. The other dates are incorrect for plywood's origin.