Answer:
The exchange of goods and services without the use of money
Explanation:
Difficulties with this may be:
Lack of a common measure of value.
Lack of fair exchanges
Lack of double coincidence of wants.
Difficulty in storing value.
Signal at least 100 ft before making a turn.
The government is responsible for the up keep of public facility's since they are part of peoples every day lives, and people can not lead every day lives without access to them. As stated in the constitution the government must uphold life, liberty, and the pursuit of happiness, which means making sure citizens rights are upheld. Public facility's fall under life which makes the government responsible for the upkeep of public facility's. I hope this helps.
The nature of each one's relationship to Sally is what sociologists call a tie.
Explanation:
Strong and weak ties are relevant when socializing in an environment. A strong tie is someone who know you very well and whom you also trust in all endeavors and at all times. Mostly Blood relations form such ties.
Weak ties are the people who establish a relationship for a short period of time. examples are like a train passenger who shares good terms with you and they move in their own way when they reach the destination. A common friend establishes such a relationship who stays with you until the other person is friendly and then they leave.
Answer: They would be using mimicry to make themself seem dangerous to scare off predators. :)
