Two Groups of Tomatoes Were Grown Under Laboratory Conditions, One

question 54

Multiple Choice

Two groups of tomatoes were grown under laboratory conditions, one with humus added to the soil and one a control without humus. The leaves of the plants grown without humus were yellowish (less green) compared with those of the plants grown in humus-enriched soil. The best explanation for this difference is that

• A) the healthy plants used the food in the decomposing leaves of the humus for energy to make chlorophyll.
• B) the humus made the soil more loosely packed, so water penetrated more easily to the roots.
• C) the humus contained minerals such as magnesium and iron, needed for the synthesis of chlorophyll.
• D) the heat released by the decomposing leaves of the humus caused more rapid growth and chlorophyll synthesis.
• E) the healthy plants absorbed chlorophyll from the humus.

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Definitions:

Mathematical Mistakes

Errors made in calculations, often due to incorrect addition, subtraction, multiplication, or division, affecting the accuracy of financial statements.

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in a business or economic context typically relates to the scale or dimensions of a company or market, often measured by metrics such as revenues, employee count, or market share.

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