How do you laser light travel ?a. curve line b. slant line c. straight line d. zigzag line PLEASE help me
please quick faster
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By the time the light finally reached Mars, the glint would be a million times dimmer than the faintest light visible to the human eye.

In elementary geometry the concept of a curve is not clearly defined and is sometimes defined as "length without width" or as the "boundary of a surface" . In elementary geometry the study of a curve essentially reduces to consideration of examples (a straight line, an interval, a polygon, a circle, etc.). Since it does not have general methods at its disposal

his face was as red as an