B. Fossil
Why? Well skeleton seems like another answer BUT the definition of a fossil is an imprint of an organism on rock.
Example: A dinosaur presses it’s foot in dirt and it leaves a footprint or ‘fossil’ behind
Answer: I think it could be Decomposition
Explanation: I think is composition because decomposition starts by being together and ends up as two
Answer:
When you exercise and your muscles work harder, your body uses more oxygen and produces more carbon dioxide.
Explanation:
9
Explanation:
cause 2 + 2 is equal to 9