1 Explain that a population pyramid shows the age and sex structure of a population. 2  Point to the horizontal bars, which show the percentage (or the absolute number) of males and females in each age group. 3  Have students interpret the chart.
1 Although they range from $150-$400 or more, a large capacity (25-70 pints) dehumidifier for a basement (the dampest portion of most homes) or other large area averages $200-$300.
Electricity is measured in Kilo Watts(1000 watts=1 Kilowatt) on the dehumidifier it will tell you how many watts it is such as 900 watts which means running constant it will use 900 watts per hour.Look on your bill to see how much you are paying per Kilowatt then work out the cost of running your Dehumidifier.f you are from the US: A dehumidifier uses approx 12cents of power per 100w. @ 10hrs/day usage. (humidistat switching on/off) 14L-16L dehumidifier rated at 300watt would cost approx. 36 cents/day 28L dehumidifier rated at 500watts would cost approx.