Question

1. Helicopters and airplanes were developed in thecentury:
a. 20th
b. 16th
c. 21 st
2. The wheel was invented around
a. 3500 BC
b. 3300 BC
3. Ancient man used the boats made of
a. plastic
b. iron
c. 3000 BC
c. logs of wood​

Answer 1

Q1)Helicopters and airplanes were developed in 20th century.

Q2)The wheel was invented around 3500 BC

03)Ancient man used the boats made of logs of wood..

Hope it helps :)

Answer 2

Answer:

20th

3500BC

logs of wood

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