Answer:
4600-4500 million years ago, the Earth formed and its crust cooled to become solid. 4500-4400 million years ago, the oldest known thing to have formed on Earth, zircon, formed along with solid crust and oceans. 4200-4100 million years ago, the close of the Hadean Period (there are no surviving rocks).
This question is unfortunately incomplete. The burning of coal containing sulfur can lead to the release of sulfur oxide compounds to the atmosphere. These compounds <span>combine with atmospheric water to form sulphuric acid. Sulphuric acid lowers the pH of atmospheric water vapour, and during rainfall events, precipitated rainfall will be of a low pH (acid rain).</span>
Answer:
C) constructive interference
Explanation:
- <u>The flashlights that shine in the wall form the same distance and the spot on the wall becomes brighter is due to the wavelength of the two waves.</u>
- The clashes simultaneously on the same direction and with the same intensity and distance thus creating a more bigger impact. And is said to have a high frequency due to their interaction.
Answer:
I'm sorry I can't answer this I'm trying to get more points