Answer:
undifferentiated; blood
Explanation:
Hematopoietic stem cells are undifferentiated cells that develop into blood cells.
Answer: matter that settles to the bottom of a liquid dregs.
Sedimentary rocks are classified based on how they form and on the size of the sediments, if they are clastic.
Explanation:
It always starts with evaporation, because without water vapor (the byproduct of evaporation), there would be no clouds (they are made out of water vapor and some other particles). Henceforth, there will be no rain.