Which of the following health problems associated with UV exposure is also associated with thinning of Earth's ozone layer?
A) heart disease
B) skin cancer
C) skin irritations
D) gastrointestinal disease
E) headaches
B
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Calculate the heat loss from a double-pane glass window consisting of two pieces of glass, each having a thickness of 10 mm with a thermal conductivity of k = 1.3 = >·? . The two glass panes are separated by an air gap of 7 mm. Assume the thermal conductivity of air to be k = 0.022 = >·? . Also, express the total R- and U-values.
What will be an ideal response?
Graphite is a mineral but sugar is not. Why is this so?
A) Sugar is naturally occurring, but graphite is manufactured. B) Graphite has an orderly arrangement of atoms, but sugar does not. C) Graphite is inorganic but sugar is organic. D) Sugar is not an important material for manufacturing.
The term (and concept) fundamentalism is only accurately applied to Islam
Indicate whether this statement is true or false.
Actual evapotranspiration (ACTET) is determined by
A) deficit subtracted from Precipitation total. B) surplus subtracted from Precipitation total. C) surplus subtracted from Potential Evaporation. D) deficit subtracted from Potential Evaporation.