Answer:
A or C
Explanation:
Xylem consists of several different types of <u>cells</u>: fibers for support, parenchyma for storage, and tracheary elements for the transport of water. The tracheary elements are arranged as<u> long tubes through which columns of water are raised</u>. In a tree trunk, the innermost part of the wood is dead but structurally strong xylem, while the outer part consists of living xylem, and beyond it, layers of cambium and phloem.
Answer:
Explanation:
64 and 15 and they add 43 and 25
The human gene for insulin production is identified and removed using enzymes called restriction enzymes. The same restriction enzymes are used to cut open a plasmid (a small, circular section of DNA).
The answer is a because they decompose the dead matter and recover the nutrients thereby providing nutrients for plants
