101 Things You need to Know

What s the difference between heat and

temperature? Who was our twenty-sixth

president? How do you figure out the

circumference of a circle? Who made the

first national flag? What is a bar graph?

Where do you place the colon in a business

letter? Why do earthquakes happen?

101 Things You Need to Know. The Answer

Book fi~r School Sur, gival is a quick and

easy-to-explore reference packed with

answers to your questionsE