What evidence did wegener use to create his theory of continental drift?

1 answer:

7 0

Wegener used fossil evidence to support his continental drift hypothesis. The fossils of these organisms are found on lands that are now far apart. Grooves and rock deposits left by ancient glaciers are found today on different continents very close to the equator.

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What two motions combine to produce orbit?

Alex73 [517]

<span>Forward & falling. Hope this helps!</span>

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3 years ago

For a substance to change phases, the amount of internal energy must change. Water exists in three phases: liquid, solid (ice),

vfiekz [6]

Answer:

Solid, liquid, gas

Explanation:

add thermal energy to solid and it becomes liquid, add thermal energy to liquid it becomes gas

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3 years ago

Read 2 more answers

You identify a molecule in a pizza that is a polymer; has oxygen, hydrogen, and sulfur atoms; and is hydrophilic. What kind of m

matrenka [14]

The kind of molecule in this pizza is a protein because it is a polymer, <u>hydrophilic</u>, and it's made up of oxygen, hydrogen, and sulfur atoms.

<h3>What is an amino acid?</h3>

An amino acid refers to a simple and organic chemical compound that consist of an acidic carboxyl group (COOH), a basic amino group ( $NH_2$ ), and a unique side chain group.

<h3>What is a protein?</h3>

A protein can be defined as a <u>hydrophilic</u>, macromolecule (polymer) that is formed as a result of the union of many amino acids.

Generally, a protein contains the following chemical elements:

Oxygen (O) atoms

Hydrogen (H) atoms

Sulfur (S) atoms

In conclusion, the kind of molecule in this pizza is a protein because it is a polymer, <u>hydrophilic</u>, and it's made up of oxygen, hydrogen, and sulfur atoms.

Read more on protein here: brainly.com/question/19145247

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2 years ago

Find the number of moles of water that can be formed if you have 182 mol of hydrogen gas and 86 mol of oxygen gas.

frutty [35]

Water has a chemical formula of H2O. This means that for every 2 moles of hydrogen and 1 mole of oxygen, one mole of water will be formed.

Note that hydrogen gas and oxygen gas are both biatomic molecules.

(1) (182 mol H2) x (1 mol H2O/ 1 mol H2) = 182 mol H2O
(2) (86 mol O2) x (2 mol H2O / 1 mol O2) = 172 mol H2O

We choose the smaller number of the two as the answer to this item. Thus, the answer to this question is 172 mol of H2O can be formed out of the given quantities.

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3 years ago

Which statement about bases is incorrect? Select one: a. All bases contain hydroxide ions. b. All bases taste bitter. c. All bas

NemiM [27]

Answer

Explanation:

While the Arrhenius definition of a base agrees with this statement, the Bronsted-Lowry and Lewis definitions don't. Under Bronsted-Lowry, a base is anything that can accept a proton (ex// NH3). Under lewis, it is anything that can donate an electron (ex// Cl-).

Bases are usually bitter and turn red litmus paper blue, and are slippery.

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3 years ago