I guess the answer in the blank is Column Heading.
A column letter above the grid, also called the column heading, identifies each column.
Comedy movies you should watch is
grown ups
spider man into the spider verse
action movies you can do
like a fast and furious movie ?
some cool scary movies are
the strangers
insidious
and the serbian film :)
Answer:
A. Define boundaries
C. Deny access
D. Delay access
Explanation:
A barrier is a material or structure used to prevent or block access. Barriers can either be natural or structural and are used for many purposes usually for security reasons. The following are functions of barriers either natural or structural:
- Define areas of boundaries
- Delay or slow access. Example is the use of speed bumps to slow down vehicles.
- Provide access to entrances such as the use of gates
- Deny access to unauthorized personnel and allowing authorized personnel.