In spring season the capillarity theory fails to explain the ascent of sap in trees because

Options :
  1. in spring season wood consists of narrower elements
  2. in spring season wood consists of broader elements
  3. in spring season xylem vessels are absent
  4. none of these
Answer and Explanation :-

Answer: Option 2


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Most of us have the good or bad fortune of seeing our lives fall apart so slowly we barely notice.
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