What did the drowned forests in Cascadia show scientists about the size of past earthquakes in the region?

law of conservation of matter

while cooking a piece of 1/2 pound beef steak, a cast iron pan (2.4kg in weight) was heated 260 celsius.

water at room temperature is flowing through a pipe with pressure taps located 10 ft apart along one section of the pipe, which are connected to a mercury (s=13.6) manometer.

since electrons are negative the answer is neagtaive