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.
perennial. any plant that under natural conditions lives for several to many growing seasons, as contrasted to an annual annual,plant that germinates from seed, blossoms, produces seed, and dies within one year. Annuals propagate themselves by seed only, unlike many biennials and perennials.