Omg can someone plz help me? Which rock is not a metamorphic rock?

phyllite
shale
slate

What causes darkening of the skin as melanin production increases

Along what geographical feature are most of the oil producing regions located

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