Pls answer quickly (what defines a scientific theory as opposed to a common theory ?
1) a scientific theory is testable or falsifiable in some way
2) a scientific theory is all about your feelings and what you want to be true
3) a scientific theory can be used to predict future discoveries
4) a scientific theory is just some idea from some person

You and a group of friends are spending your vacation hiking through the mountains. it is cold in the mountains. you will be expending a lot of energy while hiking and you will need plenty of energy to keep you warm. you should pack foods high in to provide the most energy or kilocalories per gram of food. a) carbohydrates b) lipids (fats) c) proteins d) sugars