Physics
Modem is used mostly for ?

Connecting to internet
All listed here
Mostly for file system
A modern empty memory modules

ANSWER DOWNLOAD EXAMIANS APP

Physics
The sensation of weightlessness in a spacecraft in an orbit is due to the

Presence of gravity outside but not inside the spacecraft
Acceleration in the orbit which is equal to the acceleration due to gravity outside
Fact that spacecraft in the orbit has no energy
Absence of gravity outside

ANSWER DOWNLOAD EXAMIANS APP