TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Environmental changes is most responsible for the extinction of most species of plants and animals that have lived on earth.

SOLUTION: What process is most responsible for the extinction of most species of plants and animals that have lived on Earth?

PROBLEM: The pressure of a sample of gas is measured with an open-end manometer.

SOLUTION: The pressure of a sample of gas is measured with an open-end what?

PROBLEM: The grasshoppers are green with long back legs and antennae of the following is an observation about grasshoppers that a science class could have made on their nature walk.

SOLUTION:
Which of the following is an observation about grasshoppers that a science class could have made on their nature walk?