Natural Events And The Environment

A dense mix of dry, hot rock fragments and hot gas erupting from volcanic vents at high speed is

Which of the following human activities can increase the risks of flooding? a. cultivation b. planting trees c. soil management d. widening rivers

Which of the following best explains how a hurricane can increase an area's susceptibility to future storms? a. Storm surges cause massive damage to buildings along coastlines. b. Hurricanes often flood coastal communities. c. Hurricane strength winds cause large amounts of property damage. d. Erosion caused by hurricanes can leave coasts more exposed to storms.

Which of the following best explains why deforestation increases the risk of floods in an area? a. Tree leaves catch and retain rain water. b. Trees block the free flow of water. c. Deforestation increases precipitation. d. Tree roots improve soil water retention.

Seismic waves do not travel along the Earth's surface.

The damage caused by Tsunamis is restricted to the area surrounding the epicenter of the earthquake which caused it.

Which of the following best explains how human activities can directly contribute to landslides? a. Removing plants from hillsides eliminates the root structures that anchor soil. b. Clearing trees from hills increases the frequency of rainstorms. c. Human activities tend to reduce the risk of fires. d. Landslide are not impacted by human activities.

Which best describes the effects of hurricanes?

Human activities can have an impact on natural disasters.

Which of the following is not true concerning the impact of volcanoes? a. Acid rain can result from volcanic eruptions. b. Tephra are a combination of water and rubble. c. Damage can continue for years after the initial eruption. d. The volcanic explosion is the pyroclastic flow.