B:2 it is measured by the crest of the wave or as I say the top of the wave
Answer:
Embryology is defined as the branch of biology and medicine that studies embryos and how they develop. The study of how human embryos develop from fertilization to birth is an example of embryology.
Explanation:
Crude oil: Through drilling wells
Coal: Through surface and underground mining
Natural gas: Through hydraulic fracturing
It depends on whatever it's real or just a simple theory. But, at times it may not be simple as it seems, because theories are often left as theories. In the near future (or even now) they'll be testing to see if theories can be proven as a fact!
Good luck!
