Explanation:
bottom right = physical change
top left = chemical change
top right = physical change
bottom left = chemical change
<h3>A physical change is a change that goes from one form to another and physical changes can be reversed</h3><h3>example: water to ice or air to water</h3><h3 /><h3>A chemical change is when a substance combines with another substance and when it is combined it cannot be reversed</h3><h3>example: burning and or rusting</h3>
Chemical. burning is a chemical change
Answer: Bedrock
Explanation: Bedrock is the lowest layer of rock
Because the inner course is a totally different thing then the outer course
Answer:
Pieces of energy are known as Quanta.