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: Which would likely decrease the food in an environment? (A) gravity (B) water evaporation (C) a tree (D) time

SOLUTION: B

PROBLEM: Once the grounds frost over and the air grows chilled (A) beaches are opened (B) humans go naked (C) birds lay eggs (D) roses die

SOLUTION: D

PROBLEM: Which of the following would be excluded from a list of ecosystems? (A) desert (B) snow (C) rain forest (D) tundra

SOLUTION:
B