I would think that the chief economic activity would be B. oil production but all of the options are big economic activities on the Gulf Coast.
Answer:
The population density of the city is 20,000 persons per square mile
Explanation:
Population density is defined as the total population living in a region divided by the total area of the region
Here
Population = 100000
Area of the city = 5 square mile
Density = 
people per square mile
The population density of the city is 20,000 persons per square mile
Answer:
Explanation:
Pay attention to fallen power lines and trees, broken sewerage and water pipes, loose roof sheets and other debris.
To follow the instructions we can minimize the cyclone effect:
Turn off all power, gas and water;
Unplug all electrical equipment.
Keep close to your emergency kit.
Bring your family into the house's strongest place.
Continue listening for cyclone updates to the radio.
Beware of the cyclone's calm eye: remain inside until it tells you that going outside is secure.
A batholith (from Greek bathos, depth + lithos, rock) is a large mass of intrusive igneous rock (also called plutonic rock), larger than 100 square kilometres (40 sq mi) in area, that forms from cooled magma deep in the Earth's crust.
You can just google it ya know:P
