Think About It Consider an ellipse with the major axis horizontal and 10 units in length. The number in the standard form of the equation of the ellipse must be less than what real number? Explain the change in the shape of the ellipse as approaches this number.

Modified Mercalli Scale III. Felt indoors V. Felt Outdoors VI. Objects fall, furniture overturned VII. Difficult to Stand VIII. Difficult to steer a car XI. Rails bent greatly Modified Mercalli Scale *Data from the 1989 Loma Prieta, CA (“world Series”)earthquakes: larger Roman Numerals= greater intensity/destruction Area of Effect vs. Thermal Structure of Crust *The area affected by a...