At the End of Which Era Did Most Dinosaurs and Pterosaurs

question 9

Multiple Choice

At the end of which era did most dinosaurs and pterosaurs become extinct?

• A) Cretaceous
• B) Permian
• C) Devonian
• D) Ordovician
• E) Triassic

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Definitions:

Spinal Surgical Instrumentation Placement

A medical procedure involving the installation of medical devices into or around the spine to stabilize it and support healing.

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Abatacept

A medication used to treat autoimmune disorders by inhibiting T-cell activation, commonly prescribed for rheumatoid arthritis.

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