Read the following text and fill in each gap with a suitable word based on the information of the text.

As human beings, we have ability to bring about a great change in our social, national and International life. But we cannot change everything. For example, we can neither change the sun's radiation nor the earth's orbit around the sun, But we can control the increase in the amount of greenhouse gases and its effect on the atmosphere. It is a matter of great sorrow that only during the last hundred years, the carbon dioxide concentration has been raised alarmingly in the atmosphere and we humans can be held responsible for this.  Carbon dioxide level in the atmosphere is increasing due to burning of fossil fuels. Since the 19th century, industrial activities and the number of industries have been increased. So, for energy combustion of coal increased. Natural gas and oil are also burnt for different purposes. Thus, we are generating more and more greenhouse gases worldwide. So, it is our duty to stop cutting down trees indiscriminately. We should also inspire the general mass to plant more and more trees for our existence on earth.

   There are several reasons why the carbon dioxide concentration has been (a) ---- in the atmosphere. Our mills and factories burn coal, mineral oil, natural gas, etc. with a view to (b) ---- energy, we also burn these materials to (c) ---- our everyday needs. But for our own safety, we have to encourage (d) ----. Otherwise, our existence on earth will be at (e) ----.

Our Independence Day

26 March reminds us of the historic day in 1971 when Bangladesh declared its independence. It signifies the commencement of our nine-month-long Liberation War and the ultimate victory against oppression. The day is celebrated annually to commemorate the heroic struggle and immense sacrifices made by the people to achieve a sovereign nation.

26 March is observed as Bangladesh's Independence Day because on this day in 1971, the Father of the Nation, Bangabandhu Sheikh Mujibur Rahman, declared the independence of Bangladesh. This declaration ignited the Liberation War against Pakistan, leading to nine months of intense conflict. The day serves as a solemn reminder of the immense sacrifices made by millions of martyrs and freedom fighters who laid down their lives for the country's sovereignty. It is a day of national pride, remembrance, and renewal of the commitment to uphold the values for which the nation was founded.

The beginning of Independence Day celebrations.

The 31-gun salute is a ceremonial gesture that marks the official beginning of the Independence Day festivities in Bangladesh. It is a traditional military honor, serving as a symbol of respect and solemnity for the occasion. This salute commemorates the sacrifices made during the 1971 Liberation War and honors the birth of the nation. It sets a formal and respectful tone for the day's events, which include various cultural programs and tributes to the martyrs.

The cultural programmes held on Independence Day play a vital role in educating and inspiring the populace. They specifically highlight the arduous struggle and immense sacrifices made by the people of Bangladesh during the Liberation War of 1971. These events serve to remind everyone, especially the youth, about the historical context and the profound price paid to achieve the nation's independence, thereby reinforcing national pride and patriotism.

We pay homage to the martyrs by placing floral wreaths at the National Mausoleum at Savar and by participating in rallies and processions.

On Independence Day, it is a national tradition to pay tribute to the martyrs who sacrificed their lives for the country's freedom in 1971. This homage is primarily offered at the National Mausoleum in Savar, where the President, Prime Minister, other leaders, and people from all walks of life place floral wreaths. This act signifies the nation's profound respect and gratitude for their supreme sacrifice. Additionally, various rallies and processions are organized throughout the day, reinforcing the remembrance and celebration of their heroic struggle.

From this passage, we become inspired by the profound significance of Independence Day as a commemoration of the heroic struggle and immense sacrifices made in 1971 to achieve our nation's freedom. The description of nationwide celebrations with great enthusiasm, the respectful homage paid to martyrs at the National Mausoleum, and the various cultural programs highlighting the historical struggle and sacrifice, all instill a deep sense of patriotism and gratitude towards those who fought for independence. This reminds us of the importance of unity and determination in safeguarding our hard-earned sovereignty.