T=distance over speed
T=40m over 9.8ms
T=answer
Because there is no wind, rain, snow, sleet, or people to wear them down,
and no rivers, streams, or floods to cover them over.
Answer:
A naturally radioactive element of the actinide metals series. Plutonium is used as a nuclear fuel, to produce radioisotopes for research, Plutonium dioxide is formed when plutonium or its compounds (except the phosphates) are ignited in air, and Plutonium oxide fired at temperatures 600 C is difficult to rapidly.
Explanation:
The ship sends waves to the bottom of the ocean so if this waves hit any solid particle it reflect back to the main ship , and the ship send the divers to explore
