What role does fire play in making mass wasting more severe during subsequent rains?
What will be an ideal response?
Answer: Fire can bake the soil to make it more water-repellent, which leads to mudslides.
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Which part of the Moon is the oldest and why?
A. The dark circular maria because they have had more time to darken. B. The light-colored lunar highlands because they contain a higher density of craters per area. C. The light-colored lunar highlands because they are lighter in color from longer weathering. D. The dark circular maria because they have had more time to be eroded and smoothed off. E. None of these choices are correct.
Volcanoes were named for Vulcan, the Roman deity of fire. Indicate whether the statement is true or false
Which of the following best represents a negative tipping point?
A) Logging trees and preventing their regrowth in a forest B) Allowing natural wildfires to burn wherever they occur C) Allowing resilience mechanisms to function after a wildfire D) Relying upon bordering systems to repopulate a region that has been flooded
Even if we know the solute, molarity and density of a solution, which of the following concentration units cannot be readily determined without any other measurements?
A) %(w/w) B) %(w/v) C) %(v/v) D) all of these