Answer:
The equation: E=mc² means "energy equals mass times speed of light squared"
Explanation:
It shows that energy (E) and mass (M) are interchangeable, they are different forms of the same thing
Answer:
"Potassium hydroxide is basic while aqueous ammonia is acidic.
KOH has a pH of more than 7, while aqueous NH3 has a pH of less than 7."
Explanation:
I believe it should be when he arranged the elements by their atomic mass.
Technically speaking absolutely nothing but from a religious standpoint God did
In the early 1900s, a scientist named Alfred Wegener noticed how the continents seem to fit together and developed the Theory of Continental Drift. Continental drift is the theory that continents can drift apart from one other and have done so in the past. Wegner's theory also explained why fossils of the same plant and animal species are found on both sides of the Atlantic Ocean. In addition similar types of rock and evidence of the same ancient climatic conditions are found on several continents.
Wegner hypothesized that all the separate continents of today were once joined in a single landmass that he called Pangaea.
