Which belief is shared by an African who practices animism and a Japanese who practices Shinto? A. Only one God rules the universe.
B. Periodic fasting is essential to spiritual purity.
C. Spirits exist in both living and nonliving things.
D. All suffering is caused by desire and selfishness.

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.

That is false the sun’s core does not fusion

If a particular resource is not useful or needed then the price would be considerably low. once that resource is needed the price or value will raise depending on how useful or needed it is especially if the resource is low in quantity, the consumers would pay whatever they have to, to get that material.