Well if you mean what does the controlled part of a scientific investigation, it is the part of the investigation that will be your control or your base, untouched, original, data and such.
Detrital grains of gypsum are likely to be...
Answer:
Its when a virus or disease infects a certain amount of people in a certain amount of time (usually very quickly) and this becomes a problem and is known as an outbreak because the infected numbers rise dramatically
Explanation:
While building the pyramids, the Egyptians developed hieroglyphics. <span />
Answer:
D
Explanation:
Most agree that the central idea of the Brundtland Commission's definition of "sustainable development" is that of intergenerational equity. In sum, the "needs" are basic and essential, economic growth will facilitate their fulfillment, and equity is encouraged by citizen participation.