I think 2 it sounds right to me! have a great day!
Answer:
1. X is an apple is necessary condition for X has a sour taste. If X is an apple, then it should have a sour taste.
2. X is being smaller than 100 is a sufficient condition for X is being smaller than 21. If X < 21, then X <100
3. X is gambling in a legal casino is both a necessary and sufficient condition for X is 18 years old or above. It is a must for X to gamble when X is 18 years old. If X is not gambling, X is not 18 years old.
4. Aurora is a parent is a necessary condition for Aurora has a daughter-in-law. If Aurora is a parent, so that she can have a daughter-in-law.
5. Philip is a vegetarian is sufficient for Philip loves tofu. If Philip doesn't love tofu, it is not enough for him to be a vegetarian.
Hope this help you.
Owning exotic pets is a good topic to bring up in a conversation when meeting a new person.
Answer:
Any person can sit in a stupor and watch the world go by if they so choose; the alternative is be active in that world rather than one day wake up and see all of what you might have done, and realize there is too little time left to do so.
Explanation: