Before It Was Found That When a Substance Burns, It

question 83

Short Answer

Before it was found that when a substance burns, it is combining with oxygen, it was hypothesized that the burning material released a substance called ______________.

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Definitions:

Depth Perception

The visual ability to perceive the world in three dimensions (3D) and to judge the distance of objects.

Two-dimensional

Having height and width but no depth, applicable in geometrical spaces or flat surfaces.

Retina

A layer of light-sensitive cells at the back of the eye that captures images and sends them to the brain through the optic nerve.

Monocular Cues

Visual signals that require one eye to perceive depth and distance.