Answer:
atomic number or atomic mass
Guanine and adenine, structure-wise, are purines.
Answer:
Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.
Explanation:
It is spelled photosynthesis not fotosintesi.
Why are ecosystems with grass better for herbivores than ecosystems with trees?
Trees cannot store a lot of energy in the leaves, so grass would be better.
