The hydronium ions increase and the ph goes down.
Question 3 is uniformitarianism
Question 4 is sedimentary rock
<span>alt is soluble in water, chalk is not. . So place the mixture in water, allow the salt to dissolve, then filter off the chalk.
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The horizontal rows in the periodic table are periods, while the vertical rows are called groups. The elements moving from left to right in "periods" have increasing atomic numbers.
