Answer:
This is an example of hypothesis testing.
Explanation:
A hypothesis is assumed to find out a causal relationship between two factors. Here, cheese or milk is independent factor and an upset stomach is a dependent factor. Victor wishes to confirm the causal relationship between stomach upset and intake of cheese or milk; so that her lactose intolerance shall be confirmed. Therefore, this activity is a form of hypothesis testing.
Answer: Nick's father was tested for his blood type to determine his blood group and even to see if he is Rh-positive or Rh-negative.
Explanation: Unless he is a universal donor (someone with O+ blood), Nick's father won't be able to give his blood to anyone without knowing his blood type first. Giving someone the wrong blood type can be harmful to the receiver's immune system.
The organs that secrete fluids that act on the vagina is : Bulbourethral Gland
This organs create lubricating fluid during penis insertion into Vagina so it would prevent the damage within Vagina's wall
hope this helps
