Scientists used to believe that the earth was the center of the universe. which invention was primarily responsible for obtaining evidence against this?

a. sextant

b. astrolabe

c. hubble telescope

d. optical telescope

What would be an example of chemical change that took a long time to occur

Which of the following is a correct order in which air moves through the human respiratory system when a person inhales? A. nose, larynx, trachea, pharynx, bronchi, lungs B. nose, pharynx, larynx, trachea, bronchi, lungs C.

Why does a pendulum eventually stop swinging?

Forms a thin layer of gases around earth

How are skyscrapers designed to battle wind?

The pressure at the bottom of a jug filled with water does not depend on

at what other angle will a thrown ball go the same distance as one thrown at an angle of 75 degrees?

A record player turntable initially rotating at 3313 rev/min is braked to a stop at a constant rotational acceleration. The turntable has a rotational inertia of 0.031kg? m2.

A steam engine does 12 kJ or work in 55 s. how much power does the engine produce?

What is the energy source that heats a contracting protostar?