Which of the Following Is an Invasive Species

question 33

Multiple Choice

Which of the following is an invasive species?

• A)brown tree snake in Guam
• B)carrier pigeon in the continental United States
• C)mallard duck in the western United States
• D)elephant in India

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Definitions:

Unified National Code

A thread standard used in the United States and Canada for bolts, screws, and nuts, specifying the shape, angle, diameter, pitch, and length of threads.

Abbreviation

A shortened form of a word or phrase used to save space or avoid repetition.

Hexagon

A polygon with six edges and six vertices, often seen in tools, nuts, and bolts due to its efficient load distribution and ease of wrenching.

Spotface

A localized, flat surface machined on a part, typically around a hole, providing a seating surface for a fastener or bearing.