The best answer is B; heat energy is also known as thermal energy.
A.) carbohydrates are large molecules made up of monosaccharides and are used by organisms for energy storage.
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1. Amphibians has moist slimy skin meanwhile fish has scales.
2. Fish uses gills for breathing, but amphibians are different. Young ones uses gills, but adult amphibians uses lungs and even skin for breathing.
Examples of amphibians include frogs and toads.
Both fish and amphibians are one of the 5 types of vertebrates under animals. Besides fish and amphibians, other vertebrates includes mammals, reptiles and birds.
The answer is a. the troposphere
