Discourage the dog from barking during the day and night by always ignoring barks; reward the dog with play and attention when the dog is not barking, and ignore the dog when it is barking. Positive reinforcement will help the dog to learn that barking, during the day or night, does not result in a reward.
The green pigment chlorophyll chlorophyll, green pigment that gives most plants their color and enables them to carry on the process of photosynthesis. Chemically, chlorophyll has several similar forms, each containing a complex ring structure and a long hydrocarbon tail......
The red, blue or yellow all these colors in flowers are due to presence of anthocyanins, which are special pigment in flowers. Due to various reactions the color of these pigments changes. Chlorophyll is a chemical which provide the green color in leaves and other green parts. It is mainly responsible for providing the green color. The main purpose of the color is attracting the insects, so that the process of pollination can occur. The process of pollination is responsible for reproduction in plants.