The sun's energy reaches earth in the form of photons. this energy can be converted into electricity or heat. solar collectors are already used successfully by energy companies and homeowners to produce electricity. new technological advances have increased efficiency of solar collectors by concentrating solar power using

the correct answer is: d. the saltine and pretzel are made of flour, yeast, and baking soda, and salt. the pecan contains no flour but it does contain fats. the pecan is a nut that can be consumed as a healthy snack. first of all, pecans are a source of fat (monounsaturated fat), but they provide less fat than some other nuts. pecans are a rich source of dietary fiber, manganese magnesium, phosphorus, thiamin, vitamin e…

the answer is d. chordata