Q: Can a ten-pin bowling pin be a deadly weapon?
A: A regulation ten-pin bowling pin weighs around four pounds. The average rolling pin used in cooking weighs slighty over four pounds. A 2015 case covered in the BBC involved a rolling pin as the murder weapon.
The answer is yes.

Q: Can eating grapefruit kill besides allergies or choking?
A: Grapefruit is a citrus fruit consumed mostly during the summer months. Chemicals in grapefruit can interact with medications such as statins. Grapefruit can lead to too much absorption of statin medicine. Too much statins can cause severe muscle pain, liver damage, kidney failure and death.
The answer is yes.

Q: If your electric stove has a glass top, should you use cast iron skillets?
A: Cast iron skillets can scratch or crack flat top stoves. Glass top stoves are considered 'flat tops'.
The answer is no.

Q: Did Wednesday have something to do with Thor?
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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Wednesday is the middle of the modern work week and comes from the name Wodan. The Germanic god Woden is also known as Wodanaz or Odin. Odin, in Norse mythology, was the father of Thor.
The answer is yes.