How long is the Earth's precision estimated to last?

What Is one way a rift can form

What is driven by wind at the surface?

How would Europe's climate change if the North Atlantic Current disappeared?

What was the first south African country to gain independence

How to find six grid reference on the map?

what waterway forms a natural border between isreal and Jordan? which salt water lake does it flow? what desert is located in southern isreal.

Find the area of the shape shown below. 12 by 4 by 4

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?