Refer to the diagram. Which rock layer will have the oldest organisms? A

B

C

D

Where is the vascular system located

The picture above depicts the berlin wall which divided in half from the 1960 to 1989 which type of boundary was the berlin wall

Which are practical examples of how people in the developed world could make a big difference in how much water they use check all that apply a. use lightbulbs that use less electricity b. consider using a composting toilet that does not use water c. avoid using your telephone during peak hours d. do not read books