What do the a and b subzones within a hardiness zone represent? What will be an ideal ...

What do the a and b subzones within a hardiness zone represent?
 
  What will be an ideal response?

Question 2

The soil layer most seeds germinate in is the _____ horizon.
 
  a. A c. R
  b. C d. O

Question 3

What label must appear on the package of grass seed to give a breakdown of the contents of the seed packet?
 
  a. specifications c. breakdown
  b. examination d. analysis

Question 4

Why are common names inadequate in ensuring that the desired plants will be provided?
 
  What will be an ideal response?

Question 5

A soil high in _____ content will feel smooth.
 
  a. clay c. silt
  b. sand d. rock

Question 6

What characteristic of a grass is determined by the width of the grass leaf?
 
  a. texture c. length
  b. size d. thickness

Question 7

How is the common name of plants derived?
 
  What will be an ideal response?