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krek1111 [17]
3 years ago
12

Water and chemical elements move through cycles called biogeochemical cycles. Select the best way to explain biogeochemical cycl

es. a. When chemicals move from the atmosphere to a living organism. b. When a chemical moves from an organism to the atmosphere then back to an organism. c. When organisms move from an organism to the atmosphere then back to an organism.
Chemistry
1 answer:
IgorLugansk [536]3 years ago
4 0

Answer:

When a chemical moves from an organism to the atmosphere then back to an organism.

Explanation:

If we look at it closely, geology and chemistry play major roles in the process of movement and recycling of inorganic matter between living organisms and their environment. This has been called the biogeochemical cycle.

Biogeochemical cycles involve movement of chemical elements among the biotic and abiotic components of the environment; from atmosphere to land to sea, and from soils to plants.

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Answer:

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Explanation:

In an uncharged compound, the total oxidation state must be zero. The oxidation state of the calcium is +2, thus we get the following formula, where x is the oxidation state of the polyatomic ion X:

x + 2 = 0 \\ x = 0 - 2 \\ x =  - 2

Also, it is known that potassium has an oxidation state of +1. Since the new compound also has a total oxidation state equal to zero, we get the following equation, where k is the number of K atoms:

k \times 1 + ( - 2) = 0 \\ k - 2 = 0 \\ k =  - ( - 2) \\ k = 2

That's how it is found that the compumd consists of 2 K+ ions and one X ion.

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