
The Correct choice is : C. <u>Solids</u>
Sound waves need a medium to propagate, and the most suitable medium for that is solids, where it travel the fastest or with greatest efficiency.
Answer:
A vertebrate is an animal or species distinguished by its possession of a backbone or spinal column. Vertebrates can be insects, fish, mammals, birds, reptiles, and also amphibians.
Hope this helps :)
Answer:
A globe is a three dimensional representation of the Earth. It is a simpler model of the Earth.
Two advantages of a globe are:
It shows us the correct shapes and sizes of the land and water masses.
It gives us a good visual indication of the Earth’s surface.
Two limitations of using a globe are:
It is not easy to carry a globe from one place to the other due to its big size.
A globe does not show us various features like the vegetation and the climate of a place.
Explanation: