Does the sentence "In this process, uranium hexafluoride is repeatedly diffused through a silver-zinc membrane, and the different isotopes of uranium are separated by diffusion rate (since uranium 238 is heavier it diffuses slightly slower than uranium-235)." provide a valid answer to the question "How does the weight of uranium-238 compare to that of uranium-235?"

A: yes

Does the sentence "Firing a contact-detonated shell, the Krupp gun had a longer range and a higher rate of fire than the French bronze muzzle loading cannon, which relied on faulty time fuses." provide a valid answer to the question "What type of shell did the Krupp weapon fire?"

A: yes

Does the sentence "They were denominated in barley or other crops and the interest rate was typically much higher than for commercial loans and could amount to 1/3 to 1/2 of the loan principal." provide a valid answer to the question "For how long was the interest rate of Sumerian loans consistent?"

A: no

Does the sentence "For example, the FRC in Lenexa, Kansas holds items from the treatment of John F. Kennedy after his fatal shooting in 1963." provide a valid answer to the question "When was JFK shot?"

A:
yes