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Mkey [24]
3 years ago
11

Describe the importance of the nervous system:

Chemistry
2 answers:
morpeh [17]3 years ago
7 0
The nervous system helps all parts of the body communicate with each other. It reacts to changes both on the outside and the inside of the body. It controls our brains, growth, and development etc.
elena-14-01-66 [18.8K]3 years ago
3 0

Answer:

So you can feel the things outside of your body

Explanation:

?

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Crude oil is ________. a. composed of less than ten different hydrocarbon molecules b. formed in a wide range of temperature and
Arisa [49]

Answer:

C

Explanation:

A - Crude oil is composed for hundreds of hydrocarbon, not less than ten.

B - Is formed in specific conditions of temperature and pressure

C - It's fractionated to form gasoline, lubricants, CH4, plastics and many other products made of hydrocarbon.

D - We have crude oil located more than 4000 yards below the surface in countries like Brazil

E - The crude oil is very thick and don't have an specific usage, so we need to refine it.

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Why is biodiversity very important?
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Explanation:

6 0
2 years ago
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Which one of the following is different from the others A .HCl B. HF C. HBr D. HI​
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Answer:

D.HI

Explanation:

because this is the most different

5 0
2 years ago
What is the iupac name of the following compound? <br><br> 2,2-dimethyl-4-ethylheptane
Lady bird [3.3K]

Answer:

The IUPAC name of the compound has already been given which is 2,2-dimethyl-4-ethylheptane.

Explanation:

The IUPAC (International Union of Pure and Applied Chemistry) is an authority in chemistry that provides a guideline and standardized methods in the naming of compounds formed from the periodic table.

In order the give an IUPAC name to a compound, certain steps needs to be followed, these includes:

--> Identify the functional group in the compound as this will form the suffix. For example if the functional group is an alkane the suffix will be -ane.

--> Identify the longest carbon chain (it may not be a straight chain) that contains the functional group. This forms the prefix. Example: if the longest carbon chain is 7 carbon atoms then the prefix will be hept-

--> All the carbons of the longest chain should be numbered

--> Identify branched groups on the chain and name them according to the number of carbon atoms. They usually end with -yl.

--> Finally, combine the elements of the name is a single word.

The structural formula of the IUPAC compound can be found in the attached file for a better understanding. The branched groups are circled.

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3 years ago
Helppppppppppppppppppppppppp
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The awnser would be c i got you fam
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