Q: You are presented with the question "the output of a spring can eventually form a what?" and the following answer choices: - voltage - rain - power - dormant - valley - mountain - skyscraper - goldmine Now knowing that avalley is formed by a river flowing and and from the spring there flows a river, choose the best answer.
A: valley

Q: You are presented with the question "What sense can be used to detect the smoothness of an object" and the following answer choices: - fibers - touch - Hearing - Smell - vision - Taste - motion - retina Now knowing that touch can be used for detecting texture and texture: rough, smooth, choose the best answer.
A: touch

Q: You are presented with the question "what requires water?" and the following answer choices: - Power plants - peachleaf willow - animal transport - engines - Most plants - mouth of rivers - an organism's body - fertilization Now knowing that fertilization occurs when sperm swim to an egg inside an archegonium and water is needed to transport flagellated sperm to archegonium, choose the best answer.
A: fertilization

Q: You are presented with the question "What splashing can cause harm to humans?" and the following answer choices: - water vapor - water - sea squirts - salt and water. - air - flooding - Pesticides - sulfuric acid Now knowing that chemical splashing can cause harm to humans and sulfuric acid is a highly corrosive chemical, choose the best answer.
A: sulfuric acid