A mass extinction event occurred about 200,000,000 years ago, in the late Triassic. Explain this number in the scientific notation.

Why should the united states and Canada protect their natural vegetation

What was an effect of United States actions in the Yom Kippur War? A. It was attacked by the Egyptian military. O B. It was attacked by the Syrian military. O C. Arab nations agreed to buy farm products. O D.

The movement of glaciers typically creates which type of landform?

Describe the Mexican immigrants in Texas. Why did they emigrate from Mexico to Texas? What are some examples of their culture in Texas?

Does latitude contribute in earths climate

Trees in deciduous forest do what? A. Shed leaves during one season B. Grow in a warm Mediterranean climate C. Have needlelike leaves D. Grow in a climate that is cold year round

How many miles long is the great wall of china

What landforms are created at convergent boundaries?

In which direction does the Sun appear to move across the sky? Ofrom west to east from east to west from north to south from south to north

What is a planetary nebula neither a planet nor a nebula?