In the us, most flood fatalities are from.. select one: a. people driving into flood waters b. people falling into flood waters c. people drowning in flooded homes d. people getting sick from contaminated water supplies due to the flood e. people dying from heart attacks cleaning up after flood damage how much has earth's average temperature increased since 1860? ed select one: a. ~1°c b.-3°c c. ~6°c d. 10°c e. earth's average temperature has not increased since 1860. ion 6 wered average air temperature over the last 100 years true or false: increases in the total energy output of the sun has contributed significantly to increasing the globally select one: true false