Plastic building blocks are good for building molecules because of some useful properties which they possess. For instance, plastic are flexible, they can be easily manipulated and can be made into any shape, size and combination. They can also be produced using different colors. Because of these features, they can be used to build and to explain how molecules behave.
Answer:
4) a mixture.....................
Hey there!
Great question=)
Answer:Fog, these are clouds that form near the ground.
I hope this helps;)
The amount of kinetic energu has depens upon an object's speed and its mass.
So its I and IV.
The correct answer is B.
Hope it helps!
#MissionExam001
2. answer is C.<span> Elements have the same physical and chemical properties in any period </span>
