Vitamin D, also known as calciferol
Maintain a clean and healthy home as an example for others to follow is the correct answer.
As they say every good thing or initiative starts from yourself. If you want the country to be clean and pollution free then first of all you have to stop polluting.
Obviously then the others will watch you and learn a good ting or two and follow you or get inspired by you and then stop polluting.
Bd. D ff f f fmoe ettpoeoetyyy is
Answer:
D. provitamin.
Explanation:
A provitamin is a substance that the body can transform into an active vitamin through metabolic processes. If compared with vitamins, provitamins have no biological activity or are much lower. In other words, provitamins are vitamin precursors.
Although not very frequent, sometimes you can see the term previtamin used as a synonym.
For example, beta-carotene, the most abundant carotenoid in nature, has about one sixth of the biological activity of retinol, or vitamin A, but can be transformed into retinol in the liver by an enzymatic reaction.
Answer:
Maybe because they're not confident enough to do so.