According to the ideas of william smith, which rock layers are the same age

A. Layers with different fossils

B. Layers made of the same chemicals

C. Layers of equal density

D. Layers with similar fossils.

Air pressure is usually highest when the air is?

Pacific islanders divide double hulled sailing vessels called

The north africian maghreb states, dominated by the atlas mountains, do not include

Which of the following statements is true? Rocks with crystals larger than 1/2 mm have a fine texture. Rocks that solidify at high temperatures have high levels of iron (Fe). Extrusive rocks form when magma cools deep below Earth's surface.

Uses of important types of maps

What is the largest country in the Caribbean? What is its capital?

What effect did the dissolution of the Soviet Union have on global community? Select all that apply. affected Russia and the former Soviet republics only altered political alliances changed European borders decreased European conflict expanded the

I'm looking at the mineral feldspar. if it does, how does light travel through feldspars crystal structure? can someone explain feldspar crystal optics to me?

What are the 3 land formations / events found near plate boundaries?

Which of the following states is not part of the four corners? New Mexico, Utah, Colorado, Nevada Arizona?