Answer:
A straight angle measures 180°. ... An angle can be measured using a protractor, and the angle of measure 90 degrees is called a right angle. In a right angle, the two arms are perpendicular to each other. When the right angle is divided into two equal parts each angle measures 45°.
<em>After World War II, many people moved from the cities to _____.
</em>
suburbs
Answer: A. Increasingly crowded urban areas
Explanation: Think about it this way. If you heard about more products being made in a city that means what? More jobs! Many people moved to cities and then made the cities unsanitary and many diseases spread around such as hepatitis. Anyways the more jobs there was the more money people could make and the more people lived in big cities like New York.
Answer:
Rocks, water, and air—indeed, most materials—expand and thus become less ... that led to the formation of Earth's core) contributes 20 to 50% of the heat. ... Mantle convection is the main way heat from Earth's interior is transported to ... tectonic plate movement would also stop including earthquakes and volcanic activity.
Explanation:
