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: A decrease in greenhouse gas levels decreases global temperature and an increase raises global temperature.
 Question: If Mona's country normally emits not a lot of greenhouse gas, but one day decides to raise the amount they emit, what will happen to the global temperature? 
 Choices: A)increase 
B)decrease

A: increase
****
Q: Paragraph: The higher up a food chain that humans eat, the greater the levels of toxic metals they take in.
 Question: A human who eats an animal that is low on the food chain should take in _____ toxic metals. 
 Choices: A)more 
B)less

A: less
****
Q: Paragraph: The smaller a population is, the more allele frequencies may drift.
 Question: Ford lives in a town with 6 thousand people. Wong lives in a town with 1 million people. Which population, if contained entirely, would experience more drifting allele frequencies? 
 Choices: A)Ford 
B)Wong

A:
Wong
****