Find the correct match w.r.t. annual rings.

	Feature	Spring wood	Autumn wood
1	Cambium	More active	Less active
2	Colour	Dark	Light
3	Xylary elements	Large in number with narrow cavities	Small in number with wide cavities
4	Density	High	Low

• A

  1

• B

  2

• C

  3

• D

  4