What is concuision?

What are the two general categories that the study of science can be divided into? Why do you need to know the convertion especially in temperature? Does weather affect bees? What gives something potintial energy? Is it always necessary that what you learn in science is useful? What ways was trade mutually beneficial? Who invented PTFE tape? Why is a washing machine a compound machine? Explain the harmful effects of open drains? What do night vision goggles use to help locate people in the dark? What generalizations can you make about all currency? What is theoretical background of acids and bases? 77.0 kg equals how many pounds? How old would Isaac newton be if he was alive today? Who invented glue and when was it invented? What are the three initials of NASA's new monster rocket? How much is 35 degrees celsius? What is a synonym for fickle? How many pounds and ounces are in 2.5 pounds? What is usually released in a combustion reaction?