Im stuck in this thing called ''life" can you me.

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

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.

Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.