Answer = Weather
Hope this helps.
Answer:
Islam spread so quickly because more and more people started to believe and understand what the prophets were saying. When Muhammed (the last prophet) got what Allah was saying, he told people and they told other people and when they started to ask questions, Islam had all the answers.
Explanation:
1. The cells contain the same genes and express the same genes.
2. Multipotent (can differentiate to a limited number of cell fates/into a closely related family of cells).
3. Multipotent, totipotent, pluripotent (though I'm not 100% sure on this one).
4. Provide a source of cells for the body to replace certain types of cells that die.