[Solved] Which of the following statements regarding a pull system is <b>true</b>? A) Large lots are pulled from upstream stations. B) Work is pulled to the downstream stations before it is actually needed. C) Manufacturing cycle time is increased. D) Problems become more obvious. E) None of the above is true of a pull system. Microscopic Organisms: Living beings that are too small to be seen with the naked eye, including bacteria, viruses, fungi, and protozoa, playing essential roles in ecosystems and human health. Siberian Traps: A large region of volcanic rock in Siberia, known for one of the largest volcanic events in Earth's history, linked to the mass extinction at the end of the Permian period. Ocean Acidification: The process by which seawater becomes more acidic due to the absorption of carbon dioxide from the atmosphere, which can affect marine life and ecosystems. Toxic Metal Emissions: The release of harmful metal substances into the environment, often as a byproduct of industrial processes, which can pose health risks to humans and ecosystems.