Question: Answer the following question given this paragraph: The chemicals that trigger an inflammatory response attract leukocytes to the site of injury or infection. Leukocytes are white blood cells. Their role is to fight infections and get rid of debris. Leukocytes may respond with either a nonspecific or a specific defense. Q: What color are leukocytes blood cells? Choices: - blue - black - red - white A:
Answer: white

Question: Answer the following question given this paragraph: Describe why algae is a good source of biofuel. Q: What type of organism is algae? Choices: - virus - amoeba - yeast - bacteria (cyanobacteria) A:
Answer: bacteria (cyanobacteria)

Question: Answer the following question given this paragraph: Another simple machine that uses a wheel is the pulley. A pulley is a simple machine that consists of a rope and grooved wheel. The rope fits into the groove in the wheel, and pulling on the rope turns the wheel. Figure below shows two common uses of pulleys. Q: A pulley is a simple machine that consists of a grooved wheel and? Choices: - a battery - a wedge - a lever - a rope A:
Answer:
a rope