Answer:
Birds’ feathers are designed to be light but very strong, flexible but very tough. Although it looks like feathers grow all over a bird, they actually grow in specific areas called feather tracks. In between the feather tracks are down feathers. This keeps the body weight down.
Feathers are made of a tough and flexible material called keratin. The spine down the middle, called the shaft, is hollow. The vanes are on the two halves of the feather. They are made of thousands of branches called barbs. Because there are many spaces between these barbs, a feather has as much air as matter.
Explanation:
He was a conquerer, invented the phalanax
Answer:
Discrimination....actually the type of discrimination used was direct discrimination
Explanation:
Hope this helps.
There are never enough goods and services to satisfy all wants and needs- this best explains that allocation decisions necessary.
Option: C
Explanation:
Resources are the thing that every human being needs. But it is impossible to get every required resource in our desired place like coal is only found in some selective region of world. But it is a very important resource to everyone. In India petroleum is only found in Mumbai high, Digboi (Assam), Ankleswar etc.
So for the equal distribution of resource to everyone resource allocation is necessary so that everyone can get the benefit of resource. Nowhere in the world have enough goods and services that satisfy all wants and needs. So the area full of resources will export it to the area which is lacking of it and will receive the other resources that is abundant there but scarce here.
