T1W9 TS Q10 – Selective High School

Tea growers believe that limited rainfall reduces the quality of tea leaves. A new report suggests that pest attacks on tea plants have been observed before periods of low rainfalls and the production of low-quality tea leaves.

This suggests that pest attacks, not reduced rainfall, maybe the cause of the production of low-quality tea.

Which of the following further observations would best support the new report’s suggestion?

In cases where pest attacks occur, followed by rainfall, low-quality tea is produced. In cases where there is limited rainfall but no pest attack, low-quality tea is produced. In cases where there is limited rainfall but the quality of tea produced is not low, pest attacks usually precede the harvest. In cases where pest attacks occur, but there is no reduction in rainfall, the pest attack is followed by the production of low-quality tea.

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Which of the following further observations would best support the new report’s suggestion?