Problem
When a piece of aluminum is
placed in a 25 ml
graduated
cylinder that contains 10.5mL of water, the water level rises to 13.5m. What is the mass of
the aluminum?

they are non-matter

explanation:

they are non-matter. basically, any type of energy or any abstract concept is an example of something that does not matter. other examples include dreams, magnetism, radio, and hate

the simple machine has three main features. they are:

fulcrum is the center point or pivot point of the machine. effort is input force/ applied force. load is external force/ output.

the keisha 's machine labels are

x : load

y: fulcrum

z: lever