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strojnjashka [21]
3 years ago
5

Briefly describe how the human voice is produced​

Biology
1 answer:
galben [10]3 years ago
3 0
The vocal cords vibrate when air passes over them. This produces the sound of your voice.
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1.what did magnesium and oxygen atoms had to do to bond ?
devlian [24]

Answer:

1. Magnesium and oxygen atoms bond to form an ionic compound; this is evident because one forms a cation and the other an anion. When an ionic compound is formed, one atom "steals" an electron (or electrons) from another. In this case, an oxygen atom (which is pretty electronegative by the way) "steals" 2 electrons from a magnesium atom. The resulting oxygen anion and magnesium cation attract one another to form a bond (more specifically, an ionic one).

2. The oxygen atom needed two sodium atoms to bond because it needs two additional electrons to achieve a stable octet of electrons. 1 sodium atom provides 1 additional electron after it is "stolen" by oxygen, so 2 sodium atoms are needed in total to form the bond.

3. The magnesium atom needed two fluorine atoms to bond because it needs to lose two electrons to achieve a stable configuration/octet of electrons. 1 fluorine atom "steals" one electron, so 2 are needed in total.

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7 0
3 years ago
How much coal will be produced in the year 2020 for EACH region
earnstyle [38]

Until now it is estimated U.S. coal production totaled about 9.1 million short tons (MMst) 27%lower than last year.

East of mississippi river totaled 3.7 MMst

West of mississippi river totaled 5.4 MMst

The supply of both types of coal is expected to decline as production from Appalachia falls from 201.5 million tons in 2018 to 170.1 million tons in 2020.

5 0
2 years ago
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A client with newly diagnosed multiple myeloma asks, "how long do you think i have to live?" what is the most appropriate respon
AleksandrR [38]
<span>The most appropriate response would be for the nurse to ask the patient about their current concerns. This allows for the patient to actually elucidate what he or she is feeling at the time and does not hamstring the provider into actually giving a set length of time that they feel the patient has left to live, which can vary greatly from person to person.</span>
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3 years ago
This ocean zone is found on the ocean bottom and includes the ocean floor and the sediments that have settled on the bottom
kumpel [21]

Answer: sea floor (at the very bottom of the ocean)

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3 years ago
Atomic mass is determined by the number of protons plus the number of
Luda [366]
Atomic mass is determined by the number of protons plus the number of neutrons 
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