Problem: What is a random fact?

Answer: a pollutions standard is a kind of standard for reducing pollutants emitted by factories

Problem: What is a random fact?

Answer: riding a bike does not cause pollution

Problem: What is a random fact?

Answer: incomplete metamorphosis is when an insect reaches the adult stage without being a pupa

Problem: What is a random fact?

Answer:
humans building homes in an ecosystem causes that environment to change