The final and most important step â designing the ad. After you created the campaign and fine tuned the settings, move to the ads level and hit Edit next to an ad. First, you will be asked to select the destination for your ads: your Instagram account and your Facebook page.
Confidence votes 1.5K. Carbon is actually the most common element in our body (in any living organism). Apart from carbon, oxygen, nitrogen and hydrogen are present in considerable amounts. 4 people found this useful.
Oxygen carbon and hydrogen are most abundant elements in human body. Almost 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium. All are necessary for life.