Answer:
the rising and falling of the surface of the ocean caused twice daily by the attraction of the sun and the moon
Explanation:
Answer:
Its a physical
theres no chemical properties involved.
Explanation:
Brainliest please
They are all examples of chemical formulas
Answer:
What is the best definition of "vehicle of contamination"?
-A preventive vaccine
-Any source of biological -contamination
An ambulance
-A food truck
Answer: Sand
Explanation: Out of all the choices, sand is the only one that cannot react with other substances.