One Important Advantage of Active Solar Heating Systems for Houses

question 23

Multiple Choice

One important advantage of active solar heating systems for houses is that ______.

• A) the house must have sufficient exposure to sunlight
• B) although emissions of pollutants is high, the pollutants can easily be captured
• C) the net energy is high
• D) the systems are very inexpensive compared with other heating systems
• E) maintenance is minimal and therefore inexpensive

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Definitions:

Materials Price Variances

The difference between the actual cost of materials used in production and the standard or expected cost, indicating if materials were more or less expensive than planned.

Quantity Variances

Quantity variances refer to the difference between the actual quantity of materials or labor used and the expected quantity needed for production.

Standard

In the context of business and accounting, standard refers to the established norms or criteria against which performance or practices are measured.

Producing

The act of creating, manufacturing, or generating products or services.