Corundum is a mineral with a hardness of 9 on the Mohs hardness scale. For which application would corundum

most likely be useful?

seasoning food

grinding glass

making toothpaste

creating makeup

Explain the relationship between heat transfer and calorimetry. Justify your response in two or more complete sentences

Solidarity gained worldwide recognition in 1980 when it's members

How old are the oldest rocks on the ocean floor? a. less than 200 million years old b. approximately one billion years old c. approximately 500 million years old d. between 200 and 500 million years old

Which statement about Earth's layers is true? -They all consist of liquid rock. -They each vary in size and temperature. -They are all under an equal amount of pressure. -They will soon combine, forming a single, thick layer.

At the beginning of the Industrial Revolution, many factories were located near which source of energy? Windmills Mountains Oil fields Running water Solar panels

Factors that contribute to people becoming refugees?

How does a large body of water, such as an ocean, influence climate

The number of elected officials who are African Americans a) has risen dramatically at all levels of government b) has grown at local and state levels, but not federal c) has been shrinking since 1990 d) Grew after 1964 until about 1990 and then

The Richter scale a) works well for very large earthquakes. b) measures the size of an earthquake in terms of the damage it does (its intensity). c) is today termed a local magnitude (ML) reading.

What problem does russia have with building shipyards in the north