You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).

[Q]: Paragraph: Because these isotopes decay more slowly, they can be used to date much older specimens.
 Question: Ron is trying to figure out how old some isotopes are. The isotopes are decaying very slowly, so they are likely specimens that are 
 Choices: A)older 
B)younger
[A]: older


[Q]: Paragraph: The closer together the particles are, the greater the amplitude of the wave.
 Question: A wave's amplitude will be _____ the closer its particles become. 
 Choices: A)higher 
B)lower
[A]: higher


[Q]: Paragraph: As the amount of water increases, the melting point of rock decreases.
 Question: If Mona adds more water to her cauldron of melting rock, what will happen to the melting point of that rock? 
 Choices: A)increase 
B)decrease
[A]:
decrease