A hertzsprung-russell diagram is used to show the relationship between

a. absolute magnitude and apparent magnitude.

b. temperature and absolute magnitude.

c. parallax and temperature.

d. apparent magnitude and parallax.

Passenger boats were attacked before the US became involved in WWI. True False

Explain factors that influence life expectancy

The first nuclear submarine was built in 1954 in which Connecticut city?

How did the Mediterranean Sea affect the history of southern Europe spoon How does it affect them today? :

What makes a Rift Valley different from other types of valleys

Match your vocabulary word with its definition. 1. a thin strip of land that connects two larger land masses bicultural 2. of two languages or cultures famine 3. concerning a people who move from place to place globalization 4.

Describe how the galaxies are moving in our universe.

What is the difference between sleet and freezing rain?

Imagine that the value of the US dollar remains high compared to the Canadian dollar for many months. What effect will this most likely have on the amount of goods the US exports to Canada? A. It will decrease US exports to Canada. B.

The late nelson mandela worked to end a system of racial segregation in South Africa called?