Identify the true statement.
a. forest fires followed by heavy rains are likely to result in severe mud and debris flows.
b. weathering does not affect the stability of a slope.
c. vegetation is heavy, and therefore deforesting an area can keep slopes stable.
d. saturating a slope with water tends to hold unconsolidated grains together and thus stabilize slopes.

Imagine you work as a consultant, and your daily job involves listening to the constructive criticism of others. as part of your job, you must listen to opposing viewpoints to make important decisions. in this activity, you are a consulting dam engineer. you must make a decision about four different dams; should they be repaired, taken down, or left alone? you will listen to contrasting opinions about what should be done with the dams before you make the final decision. as the consulting dam engineer, what do you decide to do with this dam? explain your reasoning. by making your decision, did you support the opinions of the mayor and/or the dam safety official? why or why not? (site 1)

The ozone hole is at its biggest each year in the ? hemisphere in the ? season.

Which countries were controlled by france at the beginning of world war i? hint: use the map in the lesson to you answer this question. algeria burma cambodia indonesia vietnam