A cookie company decides to develop a new chocolate chip cookie. They decide to test three different recipes at once. What are the advantages of making more than one prototype at a time? *

Which is likely the most serious problem associated with an epidemic? 1. there are sometimes no cures to the diseases that spread. 2. people often die from the diseases that spread. 3. there are usually no ways to prevent people from getting ill. 4. people often don’t know they have a disease.

Before the civil war, the south’s economy was based on enslaved labor. large cities. immigrant workers. factories.

Space is not completely empty. there are small particles in space. what happens when these particles come together?