Read the following passage carefully and answer the questions given below.

Today, there is an evident environmental crisis. Governments and institutions globally are doing their best to save the planet from further damage. This is because there has been a _______ of natural resources leading to depletion. The rise in air pollution caused by many factors including single-use plastics, deforestation, global warming, overpopulation, industrial waste, etc. has led to dangerous consequences, which are impacting our planet.
It is very heart-warming to see people becoming eco-conscious and finding proactive means to be eco-friendly in their own day-to-day lives. There is an awareness and an awakening to save the earth and with simple, easy-to-follow measures, we can have a positive impact on the environment. While things may take a while to have a global impact, here are a few effective and productive ways in which we can save our environment on an individual level:
we rely heavily on (1)/ petroleum and coal, producing (2)/ for transportation and electricity, (3) / toxic by-products (4)/ on consumption (5)/. The trend is now leaning more towards green energy as companies and people are opting for alternate forms such as solar, wind and geothermal energy, which is environmentally friendly and leaves no side effects.
At our homes and offices, opting for alternate forms of energy will help the environment and reduce our electricity consumption and bills.
The number of vehicles (1)/ on Indian roads  (2)/ have seen a rise (3)/ in the last decade (4)/. With traffic jams and congestion on the roads, cars are unable to burn fuel efficiently and end up burning more fuel, contributing to air pollution. A way to combat this is to make use of public transport. Using the local train, bus or another mode of transport reduces carbon dioxide emissions and greenhouse emissions. Another benefit of (1)/ use public transport is that (2)/ it can carry a larger (3)/ number of people at once (4)/ compared to single vehicles (5)/. Nowadays, young professionals are car-pooling to work and are also opting to cycle, or even walk. People are becoming conscientious.
It is also imperative to switch off lights and fans once we leave our homes. let us make (1)/turn the switch off (2)/ after our devices (3)/ it a point to (4)/ have been charged (5)/. 
The water crisis across the globe has made everyone sit up and take notice. Water is soon going to become the scarcest _______ and many countries are already paying a heavy price due to water shortage. If we are mindful, we can save millions of litres a year by doing simple things. Rainwater harvesting is a good way to do so. We can also be oneself of the amount of water we are using while brushing our teeth or taking a shower.
These changes we can adopt at the micro-level, which with gaining certain momentum will have a macro impact as we all must face the need of the hour to _______ and play our role right to save the planet.