Examlex
Which one of the following is a correct representation of a beta particle?
Hematite
An iron oxide mineral that is one of the main ores of iron, recognized by its reddish-brown color.
Magnetite
A naturally occurring magnetic mineral, consisting of iron oxide, often mined as an iron ore.
Perpendicular Directions
This refers to two lines or directions that intersect at a 90-degree angle.
Nonperpendicular Directions
Nonperpendicular directions refer to lines or paths that do not intersect at a right angle, diverging from orthogonality in a spatial relationship.
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