by gene activation
ESCs divide into two cells: one is a duplicate stem cell (the process of self-renewal) and the other daughter cell is one which will differentiate. The daughter cells divides and after each division it becomes more specialized.
Cellular differentiation is the process that results in the formation of more specialized cells that are ought to perform specific function in the body. Undifferentiated cells tend to perform more than one function like stem cell. Example of differentiated cell is liver cell, heart cell etc.
Differentiation process occurs many time during the growth of the organism to form organs and hence, organ system. Differentiation is a must process for the full development of an organism.
The Act which addresses this is THE RESOURCES CONSERVATION AND RECOVERY ACT [RCRA]. The act was passed on October 21, 1976.
The RCRA Act gives the Environmental Protection Agency the power to control hazardous wastes from the moment they are generated to the point when they are finally disposed of.
<span>A. the measure of the acidity or alkalinity of soil Alkalinity is the name given to the quantitative capacity of an aqueous solution to neutralize an acid.</span>
The answer is C. I know that because of my previous knowledge and my class knowledge hope this helps :)<span />