Answer:
"Journey to the Center of The Earth" by Jules Verne is one of author's own loved book.
Explanation:
In the novel, Otto Lidenbrock, who is a professor in geology and mineralogy decides to take the journey to the center of the Earth. He finds an encrypted message of alchemist Arne Saknussemm and de-crypts its with the help of his nephew Axel. They both decides to take this journey together. But Grauben, decides to stay back and wait for them to return because after their return Axel and Grauen can marry. Because after their expedition, Axel would be man. She encourages them to go on this expedition as it will be great for both the man.
The answer is choice a, news.
Stem cells are a class of undifferentiated cells that are able to differentiate into specialized cell types. Commonly, stem cells come from two main sources:
Embryos formed during the blastocyst phase of embryological development (embryonic stem cells) and
Adult tissue (adult stem cells).
Both types are generally characterized by their potency, or potential to differentiate into different cell types (such as skin, muscle, bone, etc.)
