A mineral that looks glassy is said to have a(n) ______________ luster

Fill in the blank(s) with correct word


vitreous

Physics & Space Science

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Who proposed the geocentric view that was accepted and used for more than 18 centuries?

a. Copernicus b. Ptolemy c. Aristotle d. Kepler

Physics & Space Science

Non-conservative forces convert mechanical energy into other forms of energy, or convert other forms of energy into mechanical energy

Indicate whether the statement is true or false

Physics & Space Science

An astronaut weighs 99 N on the Moon, where the acceleration of gravity is 1.62 m/s2. How much does she weigh on Earth?

A) 99 N B) 61 N C) 16 N D) 600 N E) 440 N

Physics & Space Science

Suggest why people once washed their hands with ashes

A) The ashes act as a base and reacts with skin oils to produce solutions of soap. B) The ashes act as an acid and reacts with the skin oils to produce soap. C) The oils on the skin act as a base and reacts with the ashes to produce soap. D) After being burnt in the fire, the acids and bases of the log are neutralized, making it a gentle material to use on the hands.

Physics & Space Science