Why is temperature a good criterion for searching for earth like exoplanets

Estimate the schwarzschild radius (in kilometers) for a mini-black hole formed when a superadvanced civilization decides to punish you (unfairly) by squeezing you until you become so small that you disappear inside your own event horizon. (assume that the your weight is 50 kg)

70 give a real life example showing how sensory neurons work with the motor neurons

How to calculate voltage drop in a series circuit