(Question)
You are presented with the question "What is required for a light bulb to produce light?" and the following answer choices: - garden - sunlight - concrete - an electron lens - Power plant - adding heat - Potted plant - sun's heat Now knowing that alight bulb requires electrical energy to produce light and energy is used by power plants to make electricity, choose the best answer.
(Answer)
Power plant

(Question)
You are presented with the question "what are airplanes used for moving people across?" and the following answer choices: - highways - streams - Euphrates - Mountains - humans - oceans - jets - homes Now knowing that aairplane is used for moving people across bodies of water and an ocean is a vast body of salt water, choose the best answer.
(Answer)
oceans

(Question)
You are presented with the question "what can chemical splashing case harm to?" and the following answer choices: - density - gravity - organisms - dolphins - people - weathering - animals - consumers Now knowing that chemical splashing can cause harm to humans and humans are animals too, choose the best answer.
(Answer)
animals