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.
If 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.60 cents/day If you are from the UK: I just read a website that claims it will run for a couple of pence an hour. But bear in mind you would have to keep it running for 24 hours per day for the first two or three days.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.