Where likely sources of debris flows are a short distance upstream and the channel gradient is high, ____.
a. a trip wire is more effective than an acoustic flow meter for debris flow warnings
b. sirens should not be used in debris early warning systems
c. warning time for a debris flow may be too short to allow for evacuation
d. the danger to humans from a debris flow is minimized
e. debris flows and mudflows will never be covered by flood insurance
Question 2
Levees are ____.
a. less susceptible to failure when built from local materials
b. an alternative to spillways for protection of structures from floods
c. always artificial, not natural
d. sometime intentionally breached during floods
e. reinforced by piping and sand boils
Spinnbarkeit is the ability of cervical mucus to stretch a distance before breaking.
Major reservoirs and flows of the hydrological cycle.
Sources of acid deposition
Energy imbalance establishes a temperature gradient between the tropics and the poles
Major Food Sources of Saturated and Trans Fats for Americans
Calculate the distance from point R(17,5) to the line ... Round to the nearest tenth of a