The hottest star in the Orion Nebula ____________hydrogen gas and makes it _____________
a. ionizes; glow
b. neutralizse; glow
c. ionizes; swallow the star
a
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A pitcher claims he can throw a baseball with as much momentum as a 3.00-g bullet moving with a speed of 1500 m/s. A baseball has a mass of 0.145 kg. What must be its speed if the pitcher's claim is valid?
What will be an ideal response?
What are the rings of Saturn made of?
A. helium droplets B. chunks composed of water, ice, and carbon compounds C. small fragments of dust D. a huge sheet of ice
When sulfur-35 (Z = 16) decays to chlorine-35 (Z = 17), a(n) __________ is emitted
Fill in the blank(s) with correct word
Beta rays can penetrate
A) air only. B) a piece of paper. C) several millimeters of aluminum. D) several centimeters of lead. E) several meters of iron.