Question

Inventions and discoveries have been a part of man's life from times immemorial. Every invention and discovery
has only tried to make man's life more comfortable.
Given below are some of the inventions and discoveries. Name the scientists associated with them.
1) Ball point pen ________
2) Bicycle _____________
3) Microwave oven_______
4) Calculator _______​

Answer 1

Answer:

Hey just mark me brillianist

Answer 2

1 - John J. Loud

2 - Pierre Lallement

3 - Percy Spencer

4 - Jack Kilby

is the correct answer