ANSWER: Increase
why? Because the number of C atoms in homologous series increases gradually.
Answer:
They afford knowledge of actual nutrients being fed to the plant unlike guesstimate with organic formula
Explanation:
Advantages of synthetic fertilizers includes
1). Rapid action, they are fast action fertilizers than organic organic fertilizers with the capability of saving plants with severe nutrient deficiency distress.
2). They are water soluble so as to provide constant concentration solutions for consistent and even feeding.
3). They are predictable and reliable
4). They afford knowledge of actual nutrients being fed to the plant unlike guesstimate with organic formula
Answer:
The mechanical properties of urea formaldehyde resins may be improved by incorporating therein polyvinyl alcohol. The polyvinyl alcohol may be incorporated during pre-mixing, mid mixing, and/or post mixing of the resin components. Resins prepared using polyvinyl alcohol are particularly desirable in articles requiring improved mechanical strength and water resistance, as compared to similar resins prepared without the polyvinyl alcohol such as shingles.
