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).

Paragraph: At higher concentrations, particles of reactants are crowded closer together, so they are more likely to collide and react.
 Question: Mike is watching how particles of reactants function, and sees that they are very far apart. Considering that the concentration of them is very low, the chance of them colliding together is 
 Choices: A)high 
B)low
low

Paragraph: However, the melanocytes of people with darker skin produce more melanin.
 Question: Eric has dark skin and Rita has light skin. Who produces more melanin? 
 Choices: A)Eric 
B)Rita
Eric

Paragraph: Thicker wires offer less resistance.
 Question: Jill had two wires in her lab, one was half the thickness of the other and she measured the resistance of each. She saw that the _____ one showed less resistance. 
 Choices: A)thicker 
B)thinner
thinner