15. The nuclear force is A) short range and strongly dependent on the charge. B)

Question

15. The nuclear force is A) short range and strongly dependent on the charge. B) short range but proportional to the Coulomb force. C) strongly dependent on the charge. D) very strong (compared with Coulomb forces) and long range. E) short range, charge independent, and very strong.

Sedimentary rocks form under relatively _______ pressure and _________ temperature conditions. A) high, high B) high, low C) low, high D) low, low

Nicholas Copernicus believed that a ___________ system could easily explain retrograde motion, and that the planets revolved around the Sun in _____________ orbits. A) geocentric, circular B) geocentric, elliptical C) heliocentric, circular D) heliocentric, elliptical

24. Lord Kelvin estimated the numerical age of the Earth by measuring___________. A) the cooling rate of the Earth B) the erosion rate of a mountain range C) the rate at which salts are added to the ocean by rivers D) radioactive isotope decay

Water vapor, carbon dioxide, and methane in the atmosphere radiate heat _________, and cause the average temperature on the surface of the Earth to be ______________. A) back to Earth, cooler B) back to Earth, warmer C) to outer space, cooler D) to outer space, warmer

Explanation / Answer

Q.; 15 : short range, charge independent, and very strong.

Q Sedimentary rocks form under relativelyL high , high

Q Nicholas Copernicus believed that a: heliocentric, circular

Qthe cooling rate of the Earth

Q Water vapor, carbon dioxide, and methane in the atmosphere radiate heat : back to the earth, warmer

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