What geographical feature is on China’s southwestern border

Can someone me with these 2 questions? and tell me why it is the correct answer?

Does anyone know the answers to the australia and the pacific test? here is one of the questions: "which is the correct order of events related to the history of australia and new zealand? place the earliest event at the top and the last event at the bottom." 1. australia and new zealand become dominions. 2. world war 1 occurs. 3. australia and new zealand become independent countries. 4. british recognizes australia and new zealand as equals to britain under the british crown. , i need the correct order down below. i need to submit fast and do not waste my time.

When the framers our state's constitution began to create it, they looked to the u.s. constitution as a model. much like the national government, they created a state government in which each branch could keep the others from having too much power. for example, the state supreme court can- once a law has been passed and enforced- rule that the law violates the state constitution. if this happens, the law is no longer enforced. what principle of government is being described in this passage? a) federalism b) separation of powers c) checks and balances d) republican government