Earth could not have supported the lives or humans and other living things. There was no oxygen in the atmosphere, and Earth's surface was extremely hot
Bacteria still offers its benefits. Like for example in the digestive system, they help break down food, like plant fibers. They also supply us with vitamins like biotin and Vitamin K.
Answer: DiGeorge syndrome (DGS)
Explanation: It is caused by abnormal development of certain cells during fetal development.
It is a primary immunodeficiency disorder caused by the mutation in chromosome number 22.
