Question

what is a shadow how they were formed define​

Answer 1

Explanation:

Shadows are made by blocking light. Light rays travel from a source in straight lines. If an opaque (solid) object gets in the way, it stops light rays from traveling through it. This results in an area of darkness appearing behind the object. The dark area is called a shadow.

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Answer 2

Answer:

Shadow are made by blocking light light rays travel from a source in straight line if an apaque solid object gets in the way it stop light rays from travelling through it this resulted in an area of darkness appearing behind the object the dark area is called shadow.