Given a scientific passage and an answer, generate a question for the given answer.

[EX Q]: Passage: Air movement takes place in the troposphere. This is the lowest layer of the atmosphere. Air moves because of differences in heating. These differences create convection currents and winds ( Figure below ). Answer: troposphere
[EX A]: What is the lowest layer of the atmosphere called?

[EX Q]: Passage: The protist kingdom is sometimes called the "trash can" kingdom. It includes all eukaryotes that don't fit in one of the other three eukaryote kingdoms: Animalia, Plantae, or Fungi. There are thought to be between 60,000 and 200,000 protist species. Many have yet to be identified. The protist kingdom is very diverse, as shown in Figure below . Answer: trash can kingdom
[EX A]: What is the protist kingdom sometimes called as?

[EX Q]: Passage: The spiral structure in the picture is a large organic molecule. Can you guess what it is? Here's a hint: molecules like this one determine who you are. They contain genetic information that controls your characteristics. They determine your eye color, facial features, and other physical attributes. What molecule is it?. Answer: spiral
[EX A]:
What is the distinctive shape of the molecule that contains genetic information?