Answer: The nucleus
Explanation:
The nucleus is like the brain of the cell. It has lots of genetic material and information, such as DNA, which is made of chromosomes.
Ima just assume it is a true or false question and say true, as to make an experiment valid, only one variable has to be tested.
Two different cells good day
Hypothesis - The temperature falls with the increase in the altitude
Observation - The average temperature on the plain is 20 degrees Celsius
Question - B. Why it snows on the mountain?
Result - C. Graph showing fall in temperature
