Claim: The consumption of natural resources by humans has a negative impact on the environment. What data would provide evidence for this claim? A Increased human lifespan and increased ice cap size
B Increased human population and decreased habitats for plants and animals
Increased consumption of resources by humans and increased biodiversity (variety) in nature
D Increased of fossil fuel burning by humans and decreased use of other resources

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.

Place the point of the compass on point b and draw an arc that intersects  be¯¯¯¯¯  , using    ab    as the width for the opening of the compass.  hope it