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: Sea level rises if an increase in seafloor spreading rate buoys up the ocean crust, causing the ocean basin to become smaller.
Question: If the ocean basin were to increase, the sea level would
Choices: A)rise
B)lower
lower

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: If the gas is heated, the particles will move faster as they gain more energy.
Question: Bob heats up some gas at the plant. When he does this, the gas particles move faster and
Choices: A)gain energy
B)lose energy.
gain energy