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Yuki888 [10]
3 years ago
10

Which of the following provides the most evidence for the theory of plate tectonics?

Chemistry
1 answer:
zhenek [66]3 years ago
5 0

Answer:

i dunno

Explanation:

m xlaklXMLXL

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Geothermal energy is heat derived within the sub-surface of the earth. Water and/or steam carry the geothermal energy to the Earth's surface. Depending on its characteristics, geothermal energy can be used for heating and cooling purposes or be harnessed to generate clean electricity.

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Please help me with this basic organic conversion.<br>use the shortest way to do it​
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Answer:

See explanation

Explanation:

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The acetone is converted to propan-2-ol using LiAlH4, THF and acid. The  propan-2-ol may be converted to propene by E2 elimination. Addition of HBr yields 2-bromo propane.

The Wurtz reaction converts 2-bromo propane to 2,3- dimethyl butane. This can be brominated in the presence of light to yield 3-bromo-2,3-dimethyl butane. Elimination of HBr using a base leads to the formation of the required product as shown.

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3 years ago
Name or write the formula for the following polyatomic ions
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Answer:

Name                                Formula

nitrite ion                        NO2−

permanganate ion                MnO4−

phosphate ion                 PO43−

hydrogen phosphate ion      HPO42−

Explanation:

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4 years ago
What controls flowering in many<br> plants?
katrin2010 [14]

Answer:

All flowering is regulated by the integration of environmental cues into an internal sequence of processes. These processes regulate the ability of plant organs to produce and respond to an array of signals. The numerous regulatory switches permit precise control over the time of flowering.

Explanation:

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The bear population in a national forest was monitored for ten years. The collected data for two winter months can be seen in th
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