What is heat vaporization?
a)it is the heat required to change a substance’s temp by 1degreec.
b)it is the heat required to change a gram of substance from a solid to a liquid.
c)it is the heat required to change a substance from a solid directly to a gas.
d)it is the heat required to change a gram of substance from a liquid to a gas.
e)it is the heat required to separate one substance into two substances.

Which of the following statements concerning the influence of culture on ethnic identity formation is accurate? a. one will reject ethnic identity if cultural stereotypes are encountered. b. if one’s ethnic city is different from the dominant cultural group, then one’s ethnic identity you will become weekend. c. if an the ethnic group is excepted by dominant culture, then ethnic identity formation can be a difficult process. d. similarity to the dominant culture can determine how easy it is for one to except ethnic differences.

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

What three natural resources are found in the great lakes region