Sexual reproduction requires the cellular process of followed by

How does buring fossil fuels impact does carbon cycle? what large impact does this have on the envirnment?

Name the glands associated with human digestive system

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