Sound waves are mechanical waves that require a medium (solid, liquid, or gas) to propagate, while electromagnetic waves can travel through a vacuum.

Sound waves require a medium (solid, liquid, or gas) to travel, while electromagnetic waves can travel through a vacuum.

The Mahatma Gandhi National Rural Employment Guarantee Act (MGNREGA) was enacted in 2005 to provide at least 100 days of wage employment in a financial year to every rural household.

The National Social Assistance Programme (NSAP) was launched in 1995 to provide financial assistance to the elderly, widows, and disabled individuals.

0.1 M K2SO4 will exhibit the greatest freezing point depression due to its van 't Hoff factor of 3.

CaCl2 dissociates into three ions (Ca2+ and 2 Cl-), leading to the greatest vapor pressure lowering among the options.

The 0.1 M NaCl solution will exhibit the lowest vapor pressure due to the presence of more solute particles (2 ions per formula unit).

0.1 M NaOH is a strong base and will have the highest pH compared to the other options.

C6H12O6 does not dissociate, while the others do, leading to higher boiling points.

0.1 m MgCl2 produces 3 particles (Mg2+ and 2 Cl-), leading to the lowest freezing point among the options.

0.1 M CaCl2 produces the most particles in solution (3 ions), leading to the lowest vapor pressure.

The author expresses concern about the persistence and impact of inequality in society.

The author expresses enthusiasm about the advancements in the subject matter, making option 1 the best choice.

The author maintains an optimistic tone, highlighting the potential for technology to improve human connections.

The author describes fossil fuels as detrimental to the environment, advocating for a shift towards more sustainable energy sources.

The author views public engagement as crucial for effective climate action, highlighting its importance throughout the passage.

The author emphasizes that diversity is essential for fostering innovation and creativity in the workplace.

The author views teachers as facilitators who guide students in a technology-driven classroom rather than as traditional authority figures.

The author emphasizes the critical nature of addressing inequalities, suggesting it is an urgent issue.

The author uses strong language to convey that immediate action is critical to prevent further damage from climate change.

The term 'biodiversity' refers to the variety of life in the world, making option 0 the best choice.

The word 'calculation' best captures the essence of 'digital sum', as it fundamentally involves the process of adding digits.

The term 'interdisciplinary' refers to a collaborative approach that integrates knowledge and methods from different disciplines.

The passage describes digital sum as innovative, reflecting its role in advancing technology.

The author critiques economic inequality throughout the passage, making option 3 the best choice.

The word 'caution' best captures the essence of the author's argument, as the passage emphasizes the need for careful consideration of technology's implications.

The author presents a mixed view, acknowledging both benefits and drawbacks, which aligns with the term 'ambivalent'.

The passage emphasizes the responsibility that comes with technological advancements.

'Mitigate' means to reduce the severity or seriousness of something, which aligns with the context in which it is used in the passage.

The passage conveys an optimistic tone regarding the potential for positive change through collective action.