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.
a result, the angle of the frontal boundary is not as severe as a cold front and the warm air climbs slowly over the cooler air. This produces layered clouds like stratus and nimbostratus clouds. Far in advance of the front cirrostratus and cirrus clouds form. Warm fronts form clouds that cover a large area and create rain or snow events that