Answer:
Historical communications and modern communications are similar because they both involve getting important information from point A to point B. They are different because many historical communication methods involved traveling long distances by horseback, or by foot. Modern communication methods do not always require people to travel. We can communicate using Email and instant messaging, which does not require us to travel.
Explanation:
Answer:c
Explanation: b/c you are questioning the statement.
Answer:
Muscles are attached to bones by tendons and help them to move. When a muscle contracts (bunches up), it gets shorter and so pulls on the bone it is attached to. When a muscle relaxes, it goes back to its normal size.
Explanation: