TASK DEFINITION: Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.
PROBLEM: Question: What do ecosystems require constant inputs of? Answer: energy

SOLUTION: Ecosystems require constant inputs of energy from sunlight or chemicals.

PROBLEM: Question: What cells carry oxygen? Answer: red blood cells

SOLUTION: Red blood cells carry oxygen, white blood cells defend the body, and platelets help blood clot.

PROBLEM: Question: Generators usually transform kinetic energy into what kind of energy? Answer: electrical energy

SOLUTION:
Generators may produce either alternating or direct current, but they all change kinetic energy to electrical energy.