In what decade was the Clean Water Act passed? (Several major pieces of environmental legislation were passed in this decade, which also saw the creation of the EPA.)
A) 1910s
B) 1950s
C) 1970s
D) 1990s
E) first decade of the 2000s
C
Environmental & Atmospheric Sciences
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What will make a mineral useful as a electrical wire?
a. The mineral’s hardness b. The mineral’s color c. The mineral’s electrical conductivity d. The mineral’s solubility
Environmental & Atmospheric Sciences
in the electromagnetic spectrum, visible light occupies the band between 0.4 and 0.7 _______.
a - meters b - feet c - micrometers d - millibars e - kelvins
Environmental & Atmospheric Sciences
________ is not a characteristic of stream flow
A) Gravitational influence B) Overland flow C) Sediment transport D) Erosion E) Traction
Environmental & Atmospheric Sciences
Which of the following is not a process of cultural change?
A) segregation B) diffusion C) innovation D) acculturation
Environmental & Atmospheric Sciences