How to check if something is glass or plastic?

If an object with an initial temperature of 300 k increases its temperature by 1°c every minute, by how many degrees fahrenheit will its temperature have increased in 10 minutes? (a) 6°f (b) 10°f (c) 18°f (d) 30°f

What is the fate of the electrons that interact with a specimen in an electron microscope?

Does current flow through or across a resistor?