Frogs-have adapted to water and grow webbed feet to swim faster it helps it survive to move away from prey
porcupine- have adapted to being attacked so they have quills that will shoot out when being threatened
Fish-overtime have adapted and grown gills to breathe under water
Hope this help mark me brainliest please
Oil Coal and Natural Gas are the fossil fuels the USA has the most reserves of. Given that only one of them is on the answers Coal is the correct answer.
