MCQ
O soil layer is rich in
- AMinerals
- ✓Humus
- CLitter
- DNone of these

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$Statement 2$: Certain contraceptives are planted under the skin of the upper arm to prevent pregnancy
$A$. Myasthenia gravis $B$. Rheumatoid arthritis
$C$. Gout $D$. Muscular dystrophy
$E$. Systemic Lupus Erythematosus ($SLE$)
Choose the most appropriate answer from the options given below: