Answer:
4. people must make trade-offs.
Explanation:
Scarcity is the shortage of supply with respect to demand. It arises due to unlimited wants contrasted with limited resources - having alternative uses.
Scarcity : Demand > Supply
This leads to trade off (sacrifise) of something to attain anything, since the limited resources are short of unlimited wants & have alternative uses.
Eg : Having fixed money income (analogous to resources) & many commodities in consumption basket (analogous to wants); if one commodity is gained - it would be at the cost of sacrifising (trade off) some other commodity.
Answer: A social unit; environment.
Explanation:
The social relationship relating all who support Kelvin is seen as a social unit, Kelvin's team brought them together and this relates them socially, this makes up the environment too.
Answer: • Birds have feathers covering their bodies while other animals do not have feathers. • The sharp beak without teeth is another characteristic to the birds but not to all the animals. • Except for mammals, birds are the only other group of animals who maintain warm-blooded metabolic activity.
Explanation: Hope this helps :)
The geographic location of New Orleans made it, along with Savannah, an ideal center of the slave trade in the United States.
New Orleans sits on the Mississippi on the Gulf of Mexico. As a result, ships carrying slaves could go from anywhere in the world and have access to the river systems of middle America where slaves were being used.