Mechanical wave shows dual nature
Look at the first person’s answer. Cause I know I’m wrong
Answer:
Mechanical
Explanation:
Electromagnetic waves are waves that have no medium to travel whereas mechanical waves need a medium for its transmission.
Of the materials listed wood is the best insulator. It would be the least hot if exposed to similar temperatures.
Answer:
Answer: It takes 5,730 years for half the carbon-14 to change to nitrogen; this is the half-life of carbon-14. After another 5,730 years only one-quarter of the original carbon-14 will remain