Answer:
B. Experimental Bias because she she bought chocolate, but then she bought lowfat vanilla ice cream unknowingly. Therefore, the people liked more of the chocolate ice cream.
Hope this helped :3
Explanation:
Diploid. There has to be 2 existing cells already, in order for it to split into 4
Compounds that do not contain carbon
Organisms that use the same resources because there may not be enough for all, so it then becomes a competition of who gets it and who doesn't.