When Did the Continents Acquire Outlines Similar to the Ones

question 41

Multiple Choice

When did the continents acquire outlines similar to the ones they have now?

• A) Cenozoic Era
• B) Paleozoic Era
• C) Mesozoic Era
• D) Devonian Period

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Definitions:

Toxic

Having the effect of poisoning or harming the environment or living organisms, often used to describe chemicals or substances.

Dose-Response Curves

Graphical representations that show the relationship between the dose of a substance and its effects on an organism, often used in toxicology and pharmacology.

Epidemiological Studies

Research investigations that study the patterns, causes, and effects of health and disease conditions in defined populations.