5. which of canada's atlantic provinces has jurisdiction over mainly uninhabited labrador? a. new brunswick b. nova scotia c. newfoundland d. prince edward island

I believe the correct answer is C. Newfoundland.
The entire name of the province is Newfoundland and Labrador, so that is the only possible choice here. It represents the most eastern part of Canada, and even though Newfoundland is inhabited, Labrador mostly is not because of low temperatures.

The answer is 

C:Newfoundland

What exactly do you mean 

This is all you, but i can give you some topics that you could try. if it rained when you want to do something outdoors, it 'limits' that human activity. maybe you want to do an experiment that goes throughout the whole year and you have to have above freezing the entire year. this 'limits' your activity. i thought of those just off of the top of my head. something that gets to me that might be getting to you is you are thinking too hard about what to do. think simply, and if it is too simple, then bump it up just a little bit.