About how often does a 1-kilometer object strike the earth? about how often does a 1-kilometer object strike the earth? every year every million years every billion years

Agas expands from an initial volume of 0.040 m^3 and an initial pressure of 210 kpa to a final volume of 0.065 m^3 while its temperature is kept constant. how much work is done by the system?

Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of

What is a subatomic particle with a negative charge and very little mass?