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: The more branching there is in isomers, the lower the boiling and melting points are.
 Question: Lead has a _____ melting point than steel because it has more branching. 
 Choices: A)lower 
B)higher
lower

Paragraph: When a volume of water is cooled, the molecules move less vigorously, so same number of molecules takes up less space and the water is denser.
 Question: When we raise the temperature of water it becomes 
 Choices: A)less dense 
B)more dense
less dense

Paragraph: Thicker wires offer less resistance.
 Question: Chris is trying to rewire his home. He wants to install wiring that has the least resistance. He has two choice of wires. the first type of wire is 12 gauge. The second type of wire is thicker at 16 gauge. The wire that offers the most resistance will be the 
 Choices: A)first type of wire 
B)second type of wire
first type of wire