Afood provides 8 grams of fat and 300 total calories. what is the percentage of calories from fat in this product? a. 48% b. 52% c. 24% d. 30% e. 58%

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes