It is transplanted routinely to treat a variety of blood and bone marrow diseases, blood cancers, and immune disorders. More recently, stem cells from the blood stream (called peripheral blood stem cells) and umbilical cord stem cells have been used to treat some of the same blood-based diseases
Answer:
Pyramid is a good representation of energy flow in an ecosystem because the shape of pyramid is wider at the bottom and pointed at the top. In the ecosystem, population of plants are maximum so it is placed at the bottom of the pyramid while the organisms such as tertiary consumers are placed at the top of the pyramid due to low in population. So pyramid is a good representation.
If the gradient or slope is high then the water flow will go faster because suppose water is flowing down from a skateboard ramp, it would flow faster than water flowing throw a straight pipe.
Here's a picture I drew to help you!
Professional presentations is about making an impact on the audience. Your slides of the presentation should look perfect and should arrange in a sequence.
What makes a good professional presentation?
If we want to design our professional presentation in a beautiful manner then we have to write introduction first, then on the second number we should write body, and in last we should to write conclusion. Our introduction needs to briefly sum up that the audience don't get bored, we need to talk about only what is going on in presentation. Tell the audience about advantages, disadvantages as well as about the uses.
So we can conclude that: Professional presentations is about making an impact on the audience. Your slides of the presentation should look perfect and should arrange in a sequence.
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