Name 3 ways to conserve non renewable resources and why they will

One major way to conserve non renewable resources is to cut down on your use of non-renewable resources by driving less, using less electricity, or buying fewer new things. Another way is to use more renewable energy sources or renewable resources such as wind, solar, or geothermal power. Another way is to seek to increase the efficiency of things that you use which consume power or non-renewables such as lightbulbs, your car, or other appliances. These efforts all seek to reduce the amount of non-renewable resources which are used to prevent green house gas emissions and the depletion of non-renewable resources. 

Answer// dinosaurs emerged during mesozoic era;

Ithink that the missing word is mixed