TASK DEFINITION: Given a scientific question, generate a correct answer to it.
PROBLEM: What is contained in the cavity of a long bone's central shaft?

SOLUTION: marrow

PROBLEM: Where do stratus clouds occur in the troposphere?

SOLUTION: low

PROBLEM: Bacteria, viruses, fungi, and protozoa are examples of what, the term for a disease-causing microorganism?

SOLUTION:
pathogen