Titration Â» End point detection. All methods of the end point detection are based on the visible changes of the solution properties. The most obvious selection can be change in solution color, but also rapid changes in solutions turbidity are easy to spot. Color changes are not instant.
Apart from garden decoration, annuals such as morning glory, climbing snapdragon, hyacinth bean and passion flower are useful in decorating walls, fences and providing shades. These flowers are known as climbing annuals and they are planted instead of perennials sometimes.
During the second season's growth stem elongation, flowering and seed formation occur followed by the entire plant's death. Annual/Perennial - A plant can behave as an annual or a perennial depending on local climatic and geographic growing conditions. In the southern portion of the United States, these plants tend to grow much quicker than in the north due to the warmer weather and extended growing season. For example: a Black-Eyed Susan would behave as an annual if grown in Louisiana; whereas, if grown in Ohio, a Black-Eyed Susan would behave as a perennial.