What is one thing you could explain to them to prove that humans did land on the moon?

The biggest of all these was, and perhaps still is, the ongoing fascination with whether we, the United States of America, in July 1969 actually landed on the moon — where, ahem, astronaut footprints are still visible.

Explanation:

explanation: magnetic pole, region at each end of a magnet where the external magnetic field is strongest. the south-seeking pole, or any pole similar to it, is called a south magnetic pole. unlike poles of different magnets attract each other; like poles repel each other.

heat the gas and measure the pressure