Given that the electricity for home use is 5 cents per kilowatt-hour (kWh), how much would it cost to operate 5 fluorescent 40W light bulbs for the months of April and May if they are on for 3 hours/day? How much less is this than running 5 incandescent 100W light bulbs for 3 hours/day over the same time period?

The arctic is a cold deset biome, which one of the answers is not correct? a) animals in cold deserts burrow to get out of the harsh climates. b) vegetation in cold deserts is normally shallow rooted small shrubs. c) animals in cold deserts hibernate most of the year to get out of the cold. d) soils are very heavy and course. e) the region receives less than 10 inches of precipitation annually.