A recent headline indicated that an entire fossil of a prehistoric species of cat was discovered frozen in an ice
sheet. What type of fossil is this?
petrified
replacement
amber
original material

How does buring fossil fuels impact does carbon cycle? what large impact does this have on the envirnment?

What were the main components of earth’s earliest atmosphere? oxygen and ammonia hydrogen and helium oxygen and nitrogen hydrogen and nitrogen

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