The dalai lama a) is the religious and political leader of tibet. b) is the new political leader of afghanistan after the ousting of the taliban in 2001-2002. c) is a political leader of tibet who was installed by the chinese government after their invasion of the region in 1959. d) has been found to have ties to the taliban and al-qaeda.

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.

Answer// dinosaurs emerged during mesozoic era;