Answer:
protons, neutrons, and electrons.
C.Halite is the correct answer these are formed by the evaporation of seawater and the salt remaining to help the rock to form.
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Answer:
It began after the stock market crash of October 1929, which sent Wall Street into a panic and wiped out millions of investors. Over the next several years, consumer spending and investment dropped, causing steep declines in industrial output and employment as failing companies laid off workers
It is important the entire scientific community uses the metric system rather than each country having its own system because when scientist are comparing or sharing results they wont have to do extra steps of converting to different measurements it will just be the same and less confusing.
Explanation:
Enters the left atrium...this is the oxygenated blood from the lungs (pulmonary)