Please help ASAP Explain the process of photosynthesis and the importance of it.

This is the prompt of an essay I need to do. Please help.

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

All the simple machines make work easier to do by changing the or of a force. a. size; type b. work; type c. size; direction d. type; direction

Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct