Over Time,the Total Amount of Nutrients Such as Carbon and Iron

question 4

Multiple Choice

Over time,the total amount of nutrients such as carbon and iron present on the Earth increases slightly by their addition from

• A) meteoric matter from space.
• B) volcanic activity.
• C) nutrient recycling.
• D) electromagnetic radiation.

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Definitions:

Equivalent Fractions

Fractions that represent the same value or proportion, even though they have different numerators and denominators.

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