Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct option that best fits each of the numbered blanks from 19 to 24.

Environmental Conservation

Environmental conservation has become a global concern in recent years. More and more people are becoming aware of the need to protect the planet. However, many still struggle to ___(1)___ eco-friendly habits into their daily lives. Governments have introduced policies aimed at reducing carbon emissions, but individual actions are just as important. By reducing waste, reusing materials, and ___(2)___ energy, everyone can contribute to a greener future. While some progress has been made, ___(3)___ challenges remain. Overpopulation, pollution, and the lack of education on sustainability are just a few of the issues that need to be addressed. ___(4)___, it is crucial to raise awareness and encourage sustainable living at all levels of society. By raising awareness and ___(5)___ eco-friendly behaviors, we can ___(6)___ the negative impact on our planet and work towards a healthier environment.