Answer: All of these answers are sorrect
ExplanationA scientist does all of these things while operforming a experiment
How much it has to drop and how heavy it is. Hope this is what you're looking for:)
Answer:
the properties of catalyst are
it remains unchanged after chemical reactions
it accelerate or deaccelerate the reaction without taking part in it
Explanation:
they are used to convert raw materials into useful one
catalyst are integral in making plastics
Answer:
gravitational energy
Explanation:
It is gravitational (potential) energy because of the place that the rock holds in the gravitational field. It has <u>potential</u> to move downward, because of <u>gravity</u>.
If they're different sizes and densities, you are able to separate the substances.
