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steposvetlana [31]

3 years ago

10

While doing a descriptive investigation, you should describe your observations, but not _____. A. collect data B. explain them C

. write them down D. make a hypothesis

1 answer:

Vitek1552 [10]3 years ago

7 0

Your answer choice I Think will be D

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Alenkinab [10]

Either the 1or3answer

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Which system in the body is able to fight off most infectious diseases, such as the common cold?

pashok25 [27]

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3 years ago

Draw a complete structural formula and a condensed structural formula for(a) three compounds of formula C3H8O (b) five compounds

Marat540 [252]

Answer:

Explanation:

A. Attached is a page which contain the structural formula of the three compounds of C3H80.

Condensed structural formula of C3H8O:

Propan-1-ol: CH3CH2CH2OH

Propan-2-ol: CH3CH(OH)CH3

Methoxy methane: CH3OCH2CH3

B. Attached are is a page which contain the structural formula of the three compounds of C3H60.

Condensed structural formula of C3H6O:

Propanal: CH3CH2CHO

Propanone: CH3COCH3

Cyclopropanol: (C3H5)OH

2-propen-1-ol: CH2CHCH2OH

1-propenol: CH3CHCHOH

4 0

4 years ago

4. One gram of of ............... contains one type of atoms. a. iron b. ammonia c. hydrogen chloride d. water

patriot [66]

Answer: hydrogen chloride.

Explanation:

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2 years ago

If the oxidation number of nitrogen in a certain molecule changes from +3 to -2 during a reaction, is the nitrogen oxidized or r

aliina [53]

The nitrogen has been reduced or has undergone reduction and it has gained one electron

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3 years ago