Choose the correct answer to complete the sentence. you find some smooth, rounded rocks that are scattered around the ground. you are told they blasted out of a volcano several hundred years ago. these rocks can be any of the following type of rock a. volcanic bombs b. igneous rocks c. lapilli. d. solid aa lava

The image below shows numerous volcanic mountains in the pacific northwest. what is the most likely cause of the volcanic and earthquake activity in this region?

Write down two additional questions about earth's magnetic field that will make your presentation more informative.

7. see worksheet 1 for values of variables x1, x2 and x3 and answer the following questions: a. for each variable find the mean, median, coefficient of skewness, range and population standard deviation. b. compared to variable x1, how are the mean and median affected by extreme values (outliers) seen in x2 and x3. c. is the median or mean the better measure of location for x2 and x3? explain. d. explain the differences in the magnitudes of the skewness coefficients for the three variables. e. what is the relationship between the range and standard deviation looking across the three variables?