Question

$hii \: please \: answer \: all \: question$

Answer 1

hey mate

here's your answer,
1) John Harvey Kellogg
2)Alessandro Volta
3)aircraft
4)a wood and canvas contraption — the Whirlwind.
5)water skis and thesport of water-skiing on Lake Pepin
6)
7)
8)
9)Charles Babbage
10)
11)Alexander Graham bell
12)Rudolf Diesel

Answer 2

Check these on google.. If could not then the answers are here..

1-John Harvey Kellogg

2-Alessandro Volta

3- airplane

4-"Domestic Cyclone”

5- water skiing

6-Silver City Writing Tablet

9-Charles Babbage