(Question)
You are presented with the question "What requires a battery to produce light?" and the following answer choices: - peachleaf willow - a dog - electrically - a cat - a flashlight - energy - another battery - heat energy Now knowing that aflashlight requires a source of electricity to produce light and batteries are a very handy source of power, choose the best answer.
(Answer)
a flashlight

(Question)
You are presented with the question " rivers cut deeper and wider to form what" and the following answer choices: - canyons - arteries - Roads - timberlands - old growth forests - soils - Sediment - coral reefs Now knowing that erosion causes a river to become deeper and wider and canyon formed as a consequence of river erosion, choose the best answer.
(Answer)
canyons

(Question)
You are presented with the question "what are minerals essential for?" and the following answer choices: - root growth - allow growth - agriculture - humans - Plants growth - health - pregnancy - animals Now knowing that minerals are chemical elements that are essential for body processes and pregnancy is a normal body process, choose the best answer.
(Answer)
pregnancy