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:

Natural Selection

A basic process of evolution in which creatures that are more suited to their surroundings are more likely to survive and have a greater number of descendants.

A Priori

Knowledge or justification that is independent of experience, often based on logical deduction.

Genetic Differences

Variations in the DNA sequences among individuals, which contribute to the biological diversity and complexity of organisms, affecting traits from physical appearance to susceptibility to certain diseases.

Causal Relationships

A connection between two variables where a change in one directly causes a change in the other.