Where do tornadoes form? A. Within storms that have winds blowing from the east
B. Within hurricanes that form in Canada
C. Within thunderstorms called supercells
D. In storms that only produce light showers

Look at the figure above. which atmospheric layer has around 80 percent of the mass of the earth's atmosphere? (hint: it's where the clouds seen on earth are formed.) a. exosphere b. troposphere c. stratosphere d. thermosphere

Which term refers to the total dollar value of the goods and services produced in a country in a year?

The first signs of cellular differentiation occur in the blastocyst. why is cellular differentiation important for the development of a fully formed human infant?