Build English that wins marks.

Arrange the following sentences in the correct order.
Options:
A. Records also reveal that observers have gradually spent more hours conducting surveys.
B. Researchers calculate the number of insects detected per hour of observation.
C. A long-term record shows an increasing number of insects observed each spring.
D. The difference leads investigators to question whether the apparent trend reflects biology or changing observation effort.

Arrange the following sentences in the correct order.
Options:
A. Thus, lower productivity per unit of land has been offset by farming a larger area.
B. The apparent contradiction disappears when output is expressed relative to the amount of land cultivated.
C. The total area brought under cultivation has expanded considerably.
D. A district reports record agricultural production despite a decline in average yield per hectare.

Arrange the following sentences in the correct order.
Options:
A. The team therefore avoids interpreting the decline as evidence that the underlying problem has become less common.
B. The organisation monitors alternative reporting channels while simplifying the new procedure.
C. An organisation observes that reports of workplace harassment decline after a new reporting system is introduced.
D. Employee interviews reveal widespread confusion about how to use the new system.

Arrange the following sentences in the correct order.
Options:
A. Older measurements were taken across a broad range of locations, whereas newer instruments monitor only selected sections.
B. Scientists report that a glacier's average movement appears faster in recent measurements.
C. The comparison reveals that the apparent acceleration occurs mainly because recent observations are concentrated in faster-moving sections.
D. Researchers compare historical and recent observations from the same parts of the glacier.

Arrange the following sentences in the correct order.
Options:
A. A university reports that its annual number of research publications has risen substantially.
B. They therefore examine both publication counts and the number of distinct projects producing those publications.
C. This means that a higher publication count does not necessarily represent a proportional increase in independent research projects.
D. Analysts discover that researchers are increasingly publishing multiple papers from individual large projects.

Arrange the following sentences in the correct order.
Options:
A. Investigators find that unusually complex cases are increasingly left pending beyond the reporting period.
B. The finding suggests that the apparent efficiency gain partly reflects which requests remain in the system.
C. When pending cases are included in an age-of-case analysis, the improvement becomes considerably smaller.
D. A public agency reports that the average processing time for completed cases has fallen.

Arrange the following sentences in the correct order.
Options:
A. The unequal survival of records therefore offers an alternative explanation for the apparent increase in commerce.
B. Historians find far more commercial records from one century than from the century immediately preceding it.
C. The researchers consequently treat the surviving documents as an incomplete record rather than a direct measure of historical activity.
D. Archival evidence shows that a major fire destroyed a substantial portion of documents from the earlier period.

Arrange the following sentences in the correct order.
Options:
A. A manufacturing plant reports higher maintenance expenditure after replacing several old machines.
B. The new machines, however, also produce substantially more output and operate for longer hours.
C. Total maintenance spending by itself cannot show whether maintaining each unit of productive capacity has become more expensive.
D. Analysts therefore compare the cost per unit of comparable output rather than total expenditure alone.

Arrange the following sentences in the correct order.
Options:
A. Central residents are also, on average, younger and more likely to work in areas well served by transit.
B. These differences could independently influence how often people use public transport.
C. A survey finds that people living closer to a city centre use public transport more frequently.
D. Researchers then examine whether this pattern remains after accounting for differences in age and occupation.

Arrange the following sentences in the correct order.
Options:
A. When students within similarly resourced schools are compared, the score difference becomes smaller.
B. The result indicates that part of the original relationship reflected differences between schools rather than the effect of class size itself.
C. Researchers note that schools with smaller classes also tend to have greater educational resources.
D. A study initially finds that students in smaller classes achieve higher examination scores.

Arrange the following sentences in the correct order.
Options:
A. The team therefore reconstructs the history of the river channel before assigning a date to human occupation.
B. The tools may consequently be older than the layer in which they were ultimately discovered.
C. Archaeologists discover stone tools within sediment beside an ancient river.
D. Geological analysis reveals that the sediment was redeposited after being eroded from an older riverbank.

Arrange the following sentences in the correct order.
Options:
A. The organisation examines whether the proportion of viewers who donate has changed as well as the total number of donations.
B. An online charity campaign receives far more donations after being promoted by a widely followed public figure.
C. This distinction prevents the organisation from confusing greater visibility with greater underlying demand.
D. A large increase in audience size alone could produce more donations even if individual viewers were no more likely to contribute.

Arrange the following sentences in the correct order.
Options:
A. Researchers observe higher concentrations of a pollutant in samples from one side of a lake.
B. Because pollutant concentration varies with daily water circulation, they compare samples collected during matching time periods.
C. The revised analysis shows that the apparent difference is largely explained by when the samples were collected.
D. They later discover that samples from the two sides were usually collected at different times of day.

Arrange the following sentences in the correct order.
Options:
A. Separate analysis shows that completion rates within both junior and senior employee groups are unchanged.
B. The finding suggests that the aggregate result is produced by changes in group proportions rather than improvement within either group.
C. However, senior employees, who historically have higher completion rates, now constitute a larger share of the workforce.
D. A company reports that the overall percentage of employees completing advanced training has increased.

Arrange the following sentences in the correct order.
Options:
A. Evaluators therefore compare the district's change with changes in otherwise similar districts that did not introduce the programme.
B. A district introduces an employment programme and subsequently records a decline in unemployment.
C. The comparison provides a stronger basis for separating the programme's effect from broader changes occurring throughout the region.
D. During the same period, the regional economy expands and unemployment also falls in neighbouring districts.

Arrange the following sentences in the correct order.
Options:
A. Priya wanted to learn basic graphic design during her semester break.
B. After selecting a suitable course, she completed the online registration.
C. She searched for several beginner-level courses offered during that period.
D. She compared the courses according to their subjects, duration and schedule.

Arrange the following sentences in the correct order.
Options:
A. The display worked normally after the repair.
B. An inspection revealed a loose power connection behind the unit.
C. A digital display in a shop began switching off unexpectedly.
D. The technician tightened the loose connection and tested the device again.

Arrange the following sentences in the correct order.
Options:
A. At the end, they compared how the shadows had changed during the day.
B. Each group recorded the shadow's length at regular intervals.
C. Students placed upright sticks in an open area exposed to sunlight.
D. A science teacher planned an activity about the movement of the Sun across the sky.

Arrange the following sentences in the correct order.
Options:
A. He arranged the files into separate folders according to their subjects.
B. Before organising them, he deleted duplicate and unnecessary files.
C. Ravi discovered that his computer contained hundreds of unsorted study documents.
D. Finding the required document became much easier afterward.

Arrange the following sentences in the correct order.
Options:
A. Each group interviewed several local residents and recorded their responses.
B. A geography teacher asked students to study the main occupations in their neighbourhoods.
C. The students presented their findings to the class the following week.
D. The groups organised the collected information into simple charts.