The speed of sound in air is approximately 
.The speed of light in air is approximately 
.If 10 seconds elapses between seeing a lightning strike and hearing the thunder, how far away was the lightning strike?
Definitions:
Opponens Pollicis
A muscle in the hand that allows the thumb to touch the tips of the other fingers, a key movement for grasping objects.
Opposition
A movement in which the thumb and fingers are brought together, allowing for the manipulation of objects.
Thumb
The first digit of the hand, notable for its opposability, enabling grasping and manipulating objects.
Opponens Pollicis
A small muscle in the hand that allows the thumb to touch the tips of the other fingers, facilitating grip and manipulation of objects.
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