Which of the following substances must be present in the ...
Which of the following substances must be present in the soil for growth of a healthy green plant?
Amino acids
Carbon
Glucose salts
Magnesium ions
Correct answer is D
No explanation has been provided for this answer.
Which of the following is a difference between plant and animal cells? ...
Herbs differ from shrubs because they ...
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Which of the following infections is unlikely to respond to antibiotic treatment? ...
Banana, plantain and pineapple can be grouped together because they ...