B. plastic packing
A and D are biological hazards and C is a chemical hazard
Ambulance and tow trucks are the two other vehicles that apply in regards to the move over law.
Answer:
function as the powerhouse of cell
Explanation:
we have read the power house of cell as a mitochondria
Answer:
If the number of atoms stays the same no matter how they are rearranged, then their total weight stays the same.
In all physical and chemical changes, the total number of atoms remains the same, hence when substances interact with one another, combine or break apart, the total weight of the system remains the same