The First Diverse Animal World Appeared During the

question 3

Multiple Choice

The first diverse animal world appeared during the

• A) Cambrian explosion.
• B) Ordovician explosion.
• C) Silurian explosion.
• D) Devonian explosion.
• E) Carboniferous explosion.

Identify the four strokes of an internal combustion engine and their functions.

Explain the concepts of torque and horsepower and how they are measured.

Recognize the types and purposes of different engine layouts and valve configurations.

Understand the roles of various engine components such as the throttle valve, camshaft, and oil pump.