How does making a phone call differ when using: A public phone A cell phone

Differ in the quality of their transmission.

Explanation:

For example, when using the public phone box, wired transmission is done not wireless as in cell phones. Public phone box use electronic signals transmitted through a cable network to send voice data which are not very effective for long distance communication.

However, cell phones wirelessly send electromagnetic wave signal to a cell tower close to the caller and then the information is then transmitted to cell tower close to the receiver within a split of a second. This method of communication has much advantages.

answer; i believe the correct answer is (a) all trenches must have access/egress;

1. b

2. c

3. b

4. a

5. b