Unfortunately, most furnace filters are slid in place without an airtight seal, which allows air to pass around the filters. This problem is worse for the higher-efficiency MERV filters because of the increase in air resistance.
Common Cause is a network of people working to help rebalance cultural values to create a more equitable, sustainable and democratic society. 1  We are all shaped by our culture.
Cause and Effect. Cause and effect is a common way to organize information in a text. Paragraphs structured as cause and effect explain reasons why something happened or the effects of something. These paragraphs can be ordered as causes and effects or as effects and then causes. The cause and effect text structure is generally used in expository and persuasive writing modes. To put it another way: when an author gives reasons why something happened, he or she is explaining what caused an effect (reasons are causes and the thing that happens is the effect).