The reference value that is expressed as a percentage of total calories is called as % daily value.
Explanation:
The % daily value tells about the the nutrients which are present in a single serving of food. They are mostly present on the Nutritional Fact Label for foods. The standard for the % daily value is set to 2000 calorie. 2000 calories are required for a healthy adult diet. But even if a person has a calorie uptake lower or higher then that, he/she can still use the % Daily Value as a guideline.
For example, If 2% vitamin C is written on a label than it defines that one serving of that product supplies 2% of the vitamin C that you require each day.
When a scientific experiment is carried out in a controlled setting, all variables are kept the same except for the C. experimental. Experimental variables are the things you are studying in the experiment and it is the only variable you can change.
Rivers often start from the mountain streams and contain high amounts of oxygen. Rivers and streams grow larger as these waters merge. Rivers pick up sediments from the land as they flow. Lakes support many varieties of organisms, including plants in shallow,
