difference between D and DD with same band size is 1”, the same measurement difference as between an A cup and a B cup, a B cup and a C cup, a C cup and a D cup.
They’re different because there is 2 types of factors in our ecosystem. First is Abiotic factor in which non living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems while biotic factor is where any living component that affects another organism pr the shapes the ecosystem. Both components plays a huge role in our ecosystem
