TASK DEFINITION: In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").
PROBLEM: What would be an example of migration? (A) Geese leaving Michigan for Florida when temperatures are dropping (B) Cattle going to the barn to sleep at night (C) Bats flying at night to catch mosquitoes (D) Bees flying to a patch of clover flowers

SOLUTION: A

PROBLEM: Humans contribute to environmental pollution (A) by purchasing products made from recycled products (B) by switching to energy efficient appliances (C) by leaving behind refuse on public beaches (D) by frequently recycling paper and plastic

SOLUTION: C

PROBLEM: A skin bacterium loses its habitat when (A) you cut off your finger nails (B) you eat pepperoni pizza (C) you brush your teeth (D) you blow your nose

SOLUTION:
A