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.
The main idea of this article is that theme parks are conducting scientific research that is benefiting the community. Hope this helps!
Answer:
There are two ways to insert the new column or row in the table.
Explanation:
<u>Method I</u>
i. Select the cell where you want to add a new row or column,
ii. Click on Home Tab
iii. Find insert button in Cells Group.
iv. Click on Insert Row or Insert Column button.
By following above mentioned steps we can add a row or column in Excel sheet.
<u>Method II</u>
i. Select the cell where you want to add a new row or column,
ii. Right Click on the selected Cell.
iii. Find Insert Button in drop down menu and Click on Insert.
iv. There are four options in POP menu, choose Entire Row or Entire Column to insert row or column.
Answer: This is a partial list of basic safety precautions to use when working on a computer: Remove your watch and jewelry and secure loose clothing. Turn off the power and unplug equipment before performing service. Cover sharp edges inside the computer case with tape. Never open a power supply or a CRT monitor.
Make sure the space underneath your desk is free from clutter and your legs have room to move. Use your mouse as close to the keyboard as possible. Adopt good posture while at the computer. Know how to adjust your chair to the most comfortable position.
