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 greater the mass of the objects, the stronger the gravitational pull between them.
 Question: Two small planets are near each other, and two large planets are near each other. The smaller planets, compared to the larger planets will have a gravitational pull that is 
 Choices: A)weaker 
B)stronger
weaker

Paragraph: Exhaling, or breathing out, decreases the size of the chest, which increases air pressure inside the lungs.
 Question: When people breathe out their chest becomes 
 Choices: A)larger 
B)smaller
smaller

Paragraph: A decrease in greenhouse gas levels decreases global temperature and an increase raises global temperature.
 Question: John's company committed to decrease greenhouse gas production worldwide. What likely happens to the global temperature in the future as a result? 
 Choices: A)it will increase 
B)it will decrease
it will decrease