Harmonics, Loop and Harmonic number
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The Wheel & Axle. The wheel has always been considered a major invention in the history of mankind
The Inclined Plane
The Wedge
The Pulley
The Screw
They keep the astronauts safety as a priority. They also try to stay in budget, but mainly the astronauts safety is most important.
Answer:
if the image is on the book yes , no its can be both
Explanation: