Select the most appropriate sentence with respect to grammar and usage.
1
The constantly increasing demand for energy creates more and more greenhouse gas emissions.
2
Over the last year, people have become increase aware of the need to support independent and local businesses.
3
Negligence in water conservation has led to droughts, dust storms, and whole host of environmental disasters.
4
Promise start-ups will be provided with financial and mentoring support by the DST for scaling up their products or technologies.
5
None of these