They all just formed on top of each other like sedimentary rocks
Movement of molecules from an area of higher concentration to one of lower concentration is called Diffusion
The correct answers are
-formation of a precipitate
-bubble formation
-color change
-temperature change
-odor formation
The only one that isn’t correct is change in state of matter. A change in a state of matter does not mean it’s a chemical change. For example, water boiling so it turns into gas is not a chemical change, and is a physical one. Also, water can freeze and turn into ice, which is also still a physical change. If something changes state of matter, it does not necessarily mean it’s a chemical change.
Answer:
Alpha is when you are the leader of the pack. Beta is the weaker but can become alpha by killing th ealpha.
Explanation:
Answer:
2
Explanation:
Since it has to be 2H2+02→2H20 for it to be balanced.