Some Business Letters Require the Following Elements

question 4

Multiple Choice

Some business letters require the following elements:

• A)an attention line.
• B)a post script (P.S.).
• C)an appendix.
• D)an attachment.

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Definitions:

Spongy Bone

A porous type of bone found at the ends of long bones and inside vertebrae, lightening the skeleton's weight and making room for bone marrow.

Osteon's Lacunae

Small spaces within the osteon of bones that house osteocytes, the cells responsible for maintaining bone tissue.

Osteocytes

Bone cells integral to the structure and function of bone, acting as strain sensors.

Hydroxyapatites

Minerals composed of calcium phosphate that form the primary structural component of bone and teeth.