A chemical property is a characteristic of a substance that may be observed when it participates in a chemical reaction. Examples of chemical properties include flammability, toxicity, chemical stability, and heat of combustion
Answer:
sun gives you vitamin D
Explanation:
Our body creates vitamin D from direct sunlight on our skin when we're outdoors.
Answer:
There are four oxygen atoms in 4H2O
Answer: the second one multiplication
Explanation: