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.
True not false i know i missed it and put false
Answer:
All igneous rocks the basis of the rock cycle are formed by plate tectonics. ... The heat from the mantle that fuels plate tectonics causes both igneous and sedimentary rocks to be turned into metamorphic rocks. The metamorphic rocks can be eroded into sedimentary rocks are remelted back into igneous.
The basic clarification for these covered diverts in the Mississippi River delta in south Louisiana is that they speak to channels of the Mississippi stream delta when ocean level was lower, amid the ice age.
I hope the answer will help you.