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

The trace element, which is essential to life, among the options is iodine.

TRACE ELEMENT:

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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.

1.solid

2.carbon dioxide

3.helium

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

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