Evaluate the age of rocks. you find 3 undisturbed rock layers. the middle layer is 120 years old. what can you say about the ages of the layers above and below it?

*will mark brainliest for first correct answer* which of the following is most likely to affect the biodiversity of a park ecosystem? a. less rain than usual for several months b. ongoing pollution from a nearby factory c. park rangers plant a new type of tree d. disease wipes out an entire population

Describe the two types of vascular tissue

How dose plate tectonics effect climate