Answer:
Good one
Explanation:
Hydrogen has the highest thermal conductivity of any gas.
Answer: a. ) What is the magnitude of their average acceleration (in m/s2)
Answer: about 100 km[kilometers] thick
Explanation:
Letter B
without a medium, there is nothing to compress, hence, no wave. A fast- medium like a gas (air) is easy to compress and allows waves to move through it easily. a slow medium, like a liquid, is still pretty fast, but not as fast as air.