Which u. s. national park is home to a large volcanic caldera formed through a very large explosive eruption 630,000 years ago? yosemite carlsbad caverns acadia yellowstone?

Which word or phrase best describes the climate and terrain of the Sahara in northern Africa? A. tropical rainforest B. savanna C. hot, arid desert D. tundra

Choose one of the above renewable energy sources 1: biomass2: gas3: wave energyand explain what exactly it is and how exactly it work

Which statements accurately describes the value of the rain forest

How is climate change effecting us?

Igneous rock texture refers to? size

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?