Improved insulation, energy efficient windows and curtains, and caulking and sealing cracks could reduce commercial building and household energy loss by up to ________ percent.
A. 20
B. 10
C. 50
D. 30
Answer: C
Environmental & Atmospheric Sciences
You might also like to view...
When hydrogen is burned as a fuel, the primary waste product produced is ________
A) carbon monoxide B) H2O C) hydrocarbons and CO2 D) CO2 and H2O E) CO2
Environmental & Atmospheric Sciences
Why is rifting very prominent in East Africa?
What will be an ideal response?
Environmental & Atmospheric Sciences
True or False: All clay-mineral grains in a clastic sedimentary rock are clay size
Indicate whether this statement is true or false.
Environmental & Atmospheric Sciences
________ is a metamorphic rock with distinct light and dark layers that formed at high temperatures and pressures.
A. Gneiss B. Slate C. Phyllite D. Schist E. Greenstone
Environmental & Atmospheric Sciences