What are the physical properties of asteroids, meteors, and comets?
Asteroids:___
Meteors:___
Comets:__

Asteroids- are made from minerals and rock   Meteors- is made from space debris and rocks  Comets- are made from Frozen gasses,ice, and rocks.

Explanation:

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in 1948, swiss engineer/amateur mountaineer george de mestral went hiking in the woods with his dog. when they arrived back home, george found burrs stuck to his dog’s fur. this inspired him to create velcro.

explanation:

d. new methods of assembly are introduced.

explanation:

this allows for the goods to be made on a larger scale. not faster because now it is shown to be made better, hence the greater productivity in the question. it is calling for something new to be introduced.