During a camping trip, you decide to take a hike. You hike uphill for several hours. You notice the temperature
is getting cooler. Eventually you reach an area with snow on the ground and very few trees.
Which climate region did you most likely reach?

O subarctic
O temperate continental
O ice cap
O highland

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.