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hichkok12 [17]
3 years ago
11

Which of the following elements, essential to life, is a trace element? Which of the following elements, essential to life, is a

trace element? phosphorus carbon calcium iodine
Chemistry
1 answer:
Vikentia [17]3 years ago
7 0

Answer:

The answer to your question is Iodine

Explanation:

Elements can be classified as:

Basic elements of life: Carbon, Hydrogen, Oxygen and, Nitrogen these elements are in great quantity in the body.

Quantity elements are elements in a medium quantity in the body like Sodium, Magnesium, Potassium, Calcium, Phosphorus, Sulfur and Chlorine.

Trace elements are elements in a low quantity example: Selenium, Iodine, Zinc, Copper, Cobalt, Iron and, Manganese.

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Answer:

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Explanation:

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4 0
3 years ago
Tokyo, Japan is 8817.6 km from California. how many millimeters is this? answer in scientific notation.​
vitfil [10]

Answer:

d=8.817\times 10^9\ mm

Explanation:

It is given that,

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To convert mm km to mm use the unitary method as follows :

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PIT_PIT [208]

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