How Big is a Billion? Some people say that the age of the earth should be measured in billions, but that number is hard to comprehend. How much paper would it take to represent a billion? Or to represent the age of the Earth? Let's say 1 page contains 4,000 asterisks. How many pages will show 1,000,000 asterisks? How many pages do you need to show 1 billion asterisks?

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

What is the temperature of 0.750 mol of a gas stored in a 6,850 ml cylinder at 2.21 atm? . 2.95 k 5.24 k 138 k 246 k

What is the most important factor in determining climates.