Manned—
Apollo 11
International space station
Skylab
Unmanned—
Galileo
Mars exploration rover
Hubble space telescope
There are 195 countries<span> in the world today.</span>
Answer:
absolute humidity is the amount of water vapour ina a given volume of air in a given temperature while relative humidity is the ratio between the current absolute humidity to the highest absolute humidity
Earth's rotation on its axis.