Which of the following particle has negative charge? 1. neutrino 2. positron 3. gamma ray 4. all of the above 5. none of the above

The brightness of a planet increases when the planet is closest to earth

Millions of years ago, the Appalachian Mountains were towering, craggy mountains. Describe the processes that resulted in the lower, more gentle mountains that we know today.

In the 1700s tupac amaru ll, a descendant of the last Incan ruler, and a Brazilian nicknamed tiradentes, both took similar actions and met similar fates. what action did they take?

What did you notice about the location of the ancient civilisations of Egyptian, indus valley, shang and sumar

Which astronomer decided to take on the task of mapping the whole world? A. Copernicus B. Ptolemy C. Cicero

How do the presidents veto powers reflect the check and balances system of the constitution

The slowly increasing distance between south america and africa is due to

Central America is a (n) that connects the continents of North and South America.

What are three critical questions that entrepreneurs need t ask

1. Discuss the processes as an example of global interaction. *The Columbian Exchange