A Trace Element's Concentration Is Less Than a Part Per

question 42

Multiple Choice

A trace element's concentration is less than a part per

• A) thousand.
• B) million.
• C) billion.
• D) trillion.
• E) hundred.

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Definitions:

Genetics

The study of genes, heredity, and genetic variation in living organisms.

Darwin's Theory

The scientific theory of biological evolution that explains how species evolve over time through natural selection.

James Hutton

Known as the father of modern geology, he proposed the theory of uniformitarianism, which suggests that Earth's features developed through long-term processes still observable today.

Earlier Views

The perspectives, hypotheses, or theories that prevailed in scientific or cultural contexts before current understandings.