The deepest part of the mariana trench (the deepest trench in the world's oceans) is at an elevation of -11.033 kilometers. the elevation of the deepest part of the atacama trench is -8.065 kilometers. What is the net change in the elevation from the atacama trench to the mariana trench? A. 19.098
B. 2.968
C. -2.968
D. -19.089

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.