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D_o_m D_o_m
wrote...
Posts: 431
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6 years ago
Varicose veins are the result of:
 
  a. excessive blood volume
  b. torn walls of veins
  c. slow blood movement
  d. damaged valves
  e. excessive exercise

Question 2

What are some traits of nonvascular plants that allow them to grow on rocky surfaces, in cold areas or during drought?
 
  What will be an ideal response?
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Replies
wrote...
6 years ago
Answer to q. 1

d

Answer to q. 2

Nonvascular plants absorb nutrients across their surface, rather than withdrawing them from soil, so they can colonize rocky sites where vascular plants cannot become rooted. They also withstand drought and cold better than vascular plants.
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