The most abundant element amongst the following as found in plants is
A: Carbon
B: Nitrogen
C: Iron
D: Manganese
A: Carbon
B: Nitrogen
C: Iron
D: Manganese
举一反三
- ( )is the most abundant chemical element in plants and animals. A: Oxygen B: Carbon C: Hydrogen D: Nitrogen
- Which is the most abundant atom (% body weight) in the human body? ( ) A: Hydrogen B: Oxygen C: Carbon D: Nitrogen
- Which of the following is the most abundant solid mineral in the seabed?( ) A: Manganese nodule B: Nickel ore C: Copper mine D: Cobalt ore
- ( ) is taken in by plants to make food. A: nitrogen B: hydrogen C: oxygen D: carbon dioxide
- All organic compounds contain the element A: Phosphorus B: Nitrogen C: Sulfur D: Carbon E: Oxgen