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).

[EX Q]: Paragraph: The rocket goes upwards because the hot gases shoot downwards out of the nozzle. The faster the gases go downwards, the faster the rocket goes upwards.
 Question: Boris was tasked with developing a hypersonic rocket. He built two prototypes that were identical except that they have different gas velocities out of the nozzle. Which rocket was likely the slowest? 
 Choices: A)the rocket with highest gas velocity 
B)the rocket with lowest gas velocity
[EX A]: the rocket with lowest gas velocity

[EX Q]: Paragraph: The smaller a population is, the more allele frequencies may drift.
 Question: If Milo is part of a smaller population then Jerry is, which person's population will experience greater drifting of allele frequencies? 
 Choices: A)Milo 
B)Jerry
[EX A]: Milo

[EX Q]: Paragraph: A decrease in greenhouse gas levels decreases global temperature and an increase raises global temperature.
 Question: Polly gets her planet to reduce greenhouse gas levels. The global temperature as a result likely 
 Choices: A)increases 
B)decreases
[EX A]:
decreases