TASK DEFINITION: Given a scientific question, generate a correct answer to it.
PROBLEM: Photoautotrophs and chemoautotrophs are two basic types of what?

SOLUTION: autotrophs

PROBLEM: The structure of the boeing 787 has been described as essentially one giant macromolecule, where everything is fastened through cross-linked chemical bonds reinforced with this?

SOLUTION: carbon fiber

PROBLEM: What sorts of collisions do not result in an overall loss of kinetic energy?

SOLUTION:
elastic