Yes sweet potatoes contain sugar
Nitrogen doesn't contain air, but the air contains Nitrogen.
Yes, soil does contain nitrogen.
Yes, potatoes do contain about 1% calcium.
Yes. All living things contain nitrogen.
Nitrogen is an element that is present in proteins but not in carbohydrates. This is because proteins are made up of amino acids, which contain nitrogen atoms in their chemical structure.
No. Carbon and nitrogen are both elements. They contain only themselves.
Protiens contain nitrogen
There are many compounds that don't contain nitrogen: CO2, NaCl, H2O, C6H6, CuCl2...
Amines contain nitrogen.
Lipids haven't nitrogen.
The four molecules that contain the element nitrogen are ammonia (NH3), nitric oxide (NO), nitrogen dioxide (NO2), and nitrogen gas (N2).