I might want to do fire related crime examination as it would be so magnificent to dissect or research on the off chance that it was illegal conflagration or an inadvertent. It is cool to examine a blast and see where it originated from and who may have done it.
Discovering where everything started and having it lead me to every one of these focuses would energize.
Answer:
Wavelength is the distance from one wave ray to the next. They can be from trough to trough or from crest to crest.
The answer is C. the earths mantle because the wood in this case is the surface