The five obligations/duties of a us citizen are Respect and obey federal, state, and local laws. Respect the rights, beliefs, and opinions of others. Pay income and other taxes honestly, and on time, to federal, state, and local authorities. Defend the country if the need should arise.
Produced cameras and binoculars
The population of the sub Sahara desert will grow in the years to come and has been growing for a while now. I know this because in the graph the line is climbing at the same crate constantly.
B is the best answer here. Deserts are dry and hot
Hmm it has to be a ecothermal interalodge