The Paleozoic Era Begins with the Cambrian and Concludes with the

question 4

Multiple Choice

The Paleozoic era begins with the Cambrian and concludes with the

• A)Ordovician period.
• B)Silurian period.
• C)Permian period.
• D)Triassic period.

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Definitions:

Asthmatic Attack

A sudden worsening of asthma symptoms caused by the tightening of muscles around the airways.

Newspaper Ink

Newspaper Ink is the ink used for printing newspapers, often soy-based in modern times due to environmental considerations and for easier recycling.

Cigarette Smoke

The smoke emitted from burning tobacco in cigarettes, which contains harmful chemicals and toxins.

Infection With HIV

The process of the human immunodeficiency virus (HIV) entering and replicating in the body, leading to a compromised immune system.