Fossil fuels are considered nonrenewable resources because they- a. produce pollution b. are no longer used by humans c. often contain microscopic animals
d. take millions of years to from

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Abiologist counts the number of rabbits in a population each year and observes a decrease in population. since the coyote population has exploded, the biologist concludes that the coyote population has had a negative interaction with the rabbit population. which describes the biologist’s actions? a.) experimentationb.) inferencec.) observationd.) interacting