Which study involves the collection of information supported by opinions? the study of the effect of playing in the rain on catching a cold the study of the effect of a full moon on human behavior the study of the effect of economic status on traveling the study of the effect of economic status on eating out

You have a pick-up truck that weighed 4,000 pounds when it was new. you are modifying it to increase its ground clearance. when you are finished

Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic

This is important 1. what happens to the speed of molecules in water vapor when it condenses to form a liquid? (2 points) the molecules slow down. the molecules speed up. the molecules slow down and then speed up. the molecules speed up and then slow down. 2. how might human activities change to compensate for a decrease in water supplies? (2 points) humans might build a factory. humans might build drainage systems. humans might extract more water from the ground. human behavior does not change because of the water cycle. i'll be grateful if anyone can answer these 2 questions !