I would say the scientific method?
Answer:O
Explanation: since the gene controlling the white eye is recessive Gene its not expressed even in the offspring hence we have 2 red eyes male and 2 red eye female.
Inversely. The longer the string, the longer it takes for each swing, therefore less number of swings in 10 seconds will be allowed.
How far and how much mass. You keep posting the most common sense questions. Did you just wake up from a coma