What are the three physical regions of South America?

The layers of earth are based on what two sets of characteristics?

Which types of seismic waves travel through earths interior? select all that apply. a) l waves b) p waves c) s waves

Choose the false statement. a. some organisms fossilize when frozen or dried out. b. bacteria can destroy dead plants and animals. c. it is common for a plant or animal to fossilize when it dies. d. rapid burial under small-sized sediment increases the chance for fossilization to occur.