Which type of rock is created when lava cools and hardens?
a. igneous
b. sedimentary
c. metamorphic
d. cement

The basic types of tissue in the human body are

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

Is this mrna or rna need need the answer in a hurry