Govt. Exams
'Ambivalent' means uncertain or having mixed feelings, which explains the disappointment. 'Stringent', 'proactive', and 'decisive' would likely satisfy activists.
'Dichotomy' means division into two opposing or contrasting things, perfect for comparing two marketing approaches. 'Polarity' could work but 'dichotomy' is more precise.
Logical sequence: Launch (1), market response (2), investor celebration (3), competitive reaction (4).
'Progressive' means forward-thinking or advancing, which aligns with positive transformation. 'Ephemeral' means temporary, 'obsolete' and 'regressive' are negative.
'Contentious' means controversial or causing disagreement, which aligns with 'sparked considerable debate'. Other options don't fit contextually.
Logical sequence: First the location (3), then the discovery (1), then publication (2), then ongoing research (4).
'Data' is a plural noun (datum is singular), so it takes 'have' instead of 'has'. Correct: 'levels have increased'.
With 'neither...nor', the verb agrees with the nearest subject. Here 'teacher' (singular) is nearest, so 'was' is correct.
'Each' is singular, requiring 'brings' not 'bring.' Option A: 'data' can take plural verb. Options C and D are grammatically correct.
The passage directly states acceleration is 'faster than previously projected.' Other options overstate claims or are unsupported by the text.