Hi! can someone please tell me if this is correct or not. If it's not correct can you please give me the right answer?

could you use this to with a topic?

the key difference between a democracy and a republic lies in the limits placed on government by the law, which has implications for minority rights. both forms of government tend to use a representational system — i.e., citizens vote to elect politicians to represent their interests and form the government.

access to water is one of the pressing global issues of the 21st century. at the same time, water availability and quality are also under growing stress from climate change, energy scarcity, land use decisions, and the requirements of industry and minerals processing.