What is the primary purpose of a UML state diagram?

What is the primary purpose of a UML class diagram?

Consider the below UML state diagram.  What happens after an order is successfully delivered according to the diagram?  

What are five (5) basic features used in marketing on Twitter? Briefly describe how each of these five (5) features related to marketing on Twitter.

What are five (5) basic features used in marketing on Facebook? Briefly describe how each of these five (5) features related to marketing on Facebook.

What type of map would best show features of the area shown below?

Why are the crystals in image 1 well-formed shapes and those in image 2 very irregular?  

In the geological past, the polarity of Earth’s magnetic field is

You pick up an interesting-looking rock and see that is made of broken shells stuck together. What type of rock is it?

According to the explanation in the text (which is the most accepted currently), in what order did these steps occur as the Universe began? . Big Bang  Hydrogen atoms begin to form. Hydrogen atoms go through nuclear fusion to form helium atoms. Temperature of the Universe falls to below 1 billion degrees centigrade.