Small rocks carried along by the river are called?

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.

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

How water is moving through the ecosystem ?