When, where, and by who was the first submersible used for deep water exploration?

How are people today protected from wildfires like the large wildfires like the great fire of 1910are people today protected from large wildfires like the great fire of 1910? plz have the answer. this is important. you

What is a he difference between earthquake magnitude and intensity

4. what are three safety guidelines every hunter should follow when handling a firearm?