Points to Remember. 1  Marijuana refers to the dried leaves, flowers, stems, and seeds from the hemp plant, Cannabis sativa. 2  The plant contains the mind-altering chemical delta-9-tetrahydrocannabinol (THC) and other related compounds. 3  People use marijuana by smoking, eating, drinking, and inhaling it.
A cold front is symbolized on a weather map as a line with triangles. The triangles can be thought of as icicles. Cold fronts are often coloured blue. The presence of a cold front means that cold air is advancing and pushing underneath warmer air.
exists and is an alternate of . When cold weather hits an area of dense cloud cover, rain occurs (obviously). However, if strong wind blows the rain back upwards, it can freeze, and then fall as hail. So if a cold front comes through an area of cloud cover, and the wind is high, hail is likely to fall.