Most plants grow best at a soil water pH of 6.5 because
A) normal rainwater is slightly acidic.
B) soil nutrients are most available to plants at this pH.
C) soil bacteria do not function well at a pH of less than 6.5.
D) most roots are killed a pH above 6.5.
Correct Answer:
Verified
Q12: 'Hard' water is generally rich in which
Q13: Some plants accumulate inorganic salts in their
Q14: Why is rainwater slightly acidic?
A) it contains
Q15: Which area has many naturally acidic lakes?
A)
Q16: Increased lake acidity can interfere with gill
Q18: Acid rain can lower soil pH in
Q19: Over the 20th century the pH of
Q20: The optimal pH range for freshwater fish
Q21: Calciphobes grow only in acid soils.
Q22: Water is incompressible.
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