Question

1.______ is the largest moon of the solar system 2._____ is the coldest place in the solar system
3._____ comet have been discovered till date
4.The deepest layer of the earth is _____ km
5.______ was invented as the first mode of air transport and it used the
property that hotair rises​

Answer 1

Answer:

1) Ganymede

2) Neptune

3)

4) 2,400

5) Hot-Air Balloon Flight

sorry don't know 5th

hope it will help you