One positive effect of recycling aluminum cans to manufacture new beverage containers is 1) conserving earths resources 2) creating acid rain 3) warming earths atmosphere or 4) increasing the ozone layer

Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work)

Number and variety of living organisms includes genetic, species, and ecological types

Astudent completed a lab report. which correctly describes the difference between the "question" and "hypothesis' sections of her report? "question states what she is asking, and "hypothesis" states the result of her experiment "question" states what she is asking, and "hypothesis" states what she thinks the answer to that question is in 'if. then because" format. "question" describes what she is trying to find out, and "hypothesis" states the procedures and methods of data collection. "question" describes what she is trying to find out, and "hypothesis" states any additional information or prior knowledge about the question