Answer:
There is no control.
Explanation:
If the scientist was testing something based on the different temperatures, they would need the amount of time in the oven to be the same for each cookie so that they can compare them. Without the times being the same, the scientist would not be able to tell whether the temperature or the time in the oven caused the differences in the cookies.
This is false, There are actually a lot types of plains, coastal plains, lowland plains, erosional plains, structional plain, and depositional plains. There is also many more.
