The Largest Extinction, Measured as a Percentage of Species That

question 60

Multiple Choice

The largest extinction, measured as a percentage of species that disappeared, occurred at the end of which geological period?

• A) Permian
• B) Cretaceous
• C) Tertiary
• D) Devonian
• E) Silurian

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Definitions:

Upper Coupler Assembly

The component at the front of a semi-trailer that hooks onto the hitch of a truck tractor, providing a connection point.

SAE Grade 8

A classification for high-strength bolts according to the Society of Automotive Engineers, indicating a high level of tensile strength.

Hook to Latch Clearance

Hook to latch clearance refers to the distance or space between a hook and latch mechanism, critical in ensuring a secure fit and operation of closures in vehicles.

Pintle Hook Assembly

A type of towing hitch that uses a hook and loop design, commonly found on military and heavy equipment trailers.