Alfred Marshal was one of the most influential economists of his time and the author of the Principles of Economics book which was the principal economic textbook in England for long years. During his economic theory development, he borrowed a concept from the marginalists which is the theory of demand and the collective result of buyers who yearns services and products or the concept of scarcity.
Cytoplasm inside the leaves of the plant absorb the sun light
Answer: I'm not exactly sure what your asking but here's my answer: Homologous chromosomes are separated during anaphase of meiosis I.
Nitrogen isn't found in carbohydrates or lipids
Answer:
an idea that can't be proven but can explain some phenomena
Explanation:
sorry if I am wrong
