Answer:
hope this helps
Explanation:
20) c and a
21) b
22) a
23) c
24) a
25) stamp act
26) The present United States Constitution replaced the Articles of Confederation on March 4, 1789.
27)No central leadership (executive branch)
28) Congress had no power to enforce its laws.
29)speech,
30) religion,
31) press,
32) assembly,
33) the right to petition the government.
The answer is: It borrows techniques from numerous subjects
Interdisciplinary field refers to the field that can only exist from the knowledge that derived from other fields.
When you are studying environmental science, you would notice that the subject would include knowledge from geography, physics, chemistry, and Biology at the same time.
According to an analyst "The Chinese decide where to make islands by looking at the furthest possible range of planes, and radio stations, and then work where they need to build to make sure they have every area covered. Currently they have a neat triangle with range that extends across most of the South China Sea"
So, they are building islands to give them supremacy in the South China Sea, an important navigation passageway.
