Photosynthesis and cell respiration are often considered opposites, why?

The picture showed normal blood cells which are around and sickle cells which appear much longer people with sickle-cell suffer from the sickle cell anemia which is inherited diseaseit is caused by a change in gene responsible for production of hemo goblin this type of change is known as an

Which phrase best describes the main goal of a human community

Why is the limitations on supplies of freshwater becoming an increasing problem despite the fact that we have desalination technologies