Curriculum
Course: Science — Second Preparatory
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Curriculum

Science — Second Preparatory

Unit 1: Matter and Energy

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Unit 2: Matter and Chemical Reactions

0/6

Unit 3: Energy Flow in Photosynthesis and Respiration

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Unit 4: Geological Processes

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Quiz

Formation of Minerals and Soil — Lesson quiz

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  • Questions count: 1
  • Passing grade: 60%
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1.
Which part of the soil comes from the remains of plants and animals and increases its fertility?
Sand
Organic matter (humus)
Clay
Gravel