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Ymorist [56]
4 years ago
12

How does oxygen get in the water choose all that apply

Chemistry
2 answers:
adell [148]4 years ago
5 0
I think the answer is b sorry if I’m wrong
Otrada [13]4 years ago
3 0

Answer:

Oxygen dissolves in surface water due to the aerating action of winds. Oxygen is also introduced into the water as a byproduct of aquatic plant photosynthesis. And When dissolved oxygen becomes too low, fish and other aquatic organisms cannot survive.

Explanation:

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A motorcycle travels 817 meters in 19 seconds. what is its average speed?
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Speed = distance/time

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3 years ago
Two chemicals are mixed together and a gas is produced. *<br>chemical change <br>physical change ​
givi [52]

Answer:

chemical change

Explanation:

chemical change is when a substance combine with another substance to form a new substance.

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What type of spectrum is produced when electromagnetic radiation is emitted or absorbed as electrons change energy levels in an
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8 0
3 years ago
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Which model shows 6 electrons in the outer shell of the atom?
antiseptic1488 [7]

Answer:

The models which shows 6 electrons in the outer shell are Oxygen, Sulfur, Selenium, Tellurium and the radioactive element Polonium

6 0
4 years ago
I NEED HELP PLEASE,THANKS!
Yakvenalex [24]

Answer:

Covalent bonding

Explanation:

In covalent bonding, the electrons are shared to fill the octet rule (8 electrons in valence shell). CCl4 tends to do covalent bonding because the the 4 valence electrons are Carbon are shared with the Chlorine atoms so that each chlorine atom has a full octet and chlorine shares its electrons to fill the octet of carbon.

Also, since carbon and chlorine are both non-metal, non-metal things exhibit covalent bonding thus this is covalent bonding as well. Ionic boding is for metal and non metal pair where electrons are transferrred, in our case, electrons are shared, they are not transferred.

6 0
3 years ago
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