The atomic mass unit is based on the mass of the ________ atom.
What will be an ideal response?
carbon-12
carbon
C12
carbon 12
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Radioactivity Basics: An ? particle is also known as
A. an electron. B. a positron. C. a helium nucleus. D. a high-energy photon.
The terrestrial planets in our solar system are
A) Mercury, Venus, Earth, and Mars. B) Jupiter, Saturn, Uranus, and Neptune. C) Mercury, Venus, Earth, Mars, and Pluto. D) Jupiter, Saturn, Uranus, Neptune, Pluto, and Eris.
At a location where g = 9.80 m/s2, a projectile returns to its original height after 4.08 seconds, during which time it travels 76.2 meters horizontally. If air resistance can be neglected, what was the projectile's initial speed?
What will be an ideal response?
Spreading centers occur along
A) trenches. B) transform faults. C) mid-ocean ridges. D) the northern and western margins of the Juan de Fuca Plate.