Biological control is used to control pests. Unfortunately there are risks involved if the biological control is a new species to the area. What are they?

What do lava flows made of aa indicate about the type of volcanic eruption that occurred? a. the eruption was viscous. b. the eruption was pyroclastic. c. the eruption was explosive. d. the eruption was quite. !

How do you date a sample of rock that you suspect as being one of the earliest on earth

What are examples of the plant life and animal life that can be found in each type of terrarium