its cold its like a trap its cold its like a trap To get out of the cold, rain or it perhaps likes the climate.

A trap primer line is typically connected to the domestic cold water line, not the DWV system. Its purpose is to prevent evaporation of water in floor drains or traps by periodically supplying small amounts of water. In some cases, local plumbing codes may dictate specific requirements for trap primers.

All spiders are cold-blooded

A cold cloudy climate limits the population of insects and venus's fly trap being insectivorous plant thus will not grow properly in the absence of insects.

Mars is cold because there is no atmosphere around it to trap heat from the sun.