Chemistry, 09.12.2021 01:40 williams6129
If you found an index fossil in a layer of rock in Utah and a similar fossil in a layer of rock in England, you would know what?
1. That the surrounding rocks are not similar
2. That the fossils are different ages.
3. That the continents could have been together at some point in the Earth's history.
4. You would know the ages of the fossils were the same.
Answers: 2
Chemistry, 21.06.2019 22:30, Arealbot
Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.
Answers: 2
Chemistry, 21.06.2019 22:30, shantrice1831
Using the periodic table, complete the table to describe each atom. type in your answers. a ? b? c? d? e? f?
Answers: 1
Chemistry, 22.06.2019 05:30, nuclearfire278
Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease. correct answer for apex - a, its nonpolar end dissolves the grease.
Answers: 1
If you found an index fossil in a layer of rock in Utah and a similar fossil in a layer of rock in E...
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