This question should be in physics so this is my answer in C&T format-go to a online shop and order one or the pieces then follow the instructions that will be given.
Usually that means a physical connection - so either a loose or faulty ethernet cord.
Answer:
cursor
Explanation:
beacause it uz controlled by pointing device, such as a mouse, pen, or trackball
Answer:
Check where the file originates from, and if it is a trusted source or his own workbook, click Enable Content.
Explanation: