Answer:
they use satellite data to describe the location of hurricanes center, its past motion, and its maximum wind speed.\
by warning sirens, local television and radio stations, Public Warning Sirens are used in many towns to warn people of for example tornadoes.
to have Higher and more resistant levees and flood walls were constructed throughout the region and design and construction decisions on the levee system
Explanation:
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.
Military conflict in and around the middle east