Question:
Use evidence from the fact that an incandescent light bulb converts electricity into light by sending electricity through a filament to answer the following question. "An incandescent light bulb requires a filament to"

Answer:
emit illumination

Question:
Use evidence from the fact that fat is used to keep animals warm to answer the following question. "A bear's blubber"

Answer:
enables him to keep his body cozy

Question:
Use evidence from the fact that a warm front causes cloudy and rainy weather to answer the following question. "If I hear about a warm front I can expect to bring what with me to work?"

Answer:
an umbrella