Which of the following resources is an important source for road construction materials in Florida?
A)slate
B)oil
C)Phosphate
D)Limestone

D. Limestone

Explanation:

Limestone mining in Florida started during the First Spanish Period around 1672, when construction began on the Castillo de San Marcos in St. Augustine.

During 1750s, use of limestone for construction of fort in St. Marks started to replace older wooden structures.

In Florida, Lake Belt region has the state’s highest-quality limestone which is used as aggregates which serves as the requirements of DOT and federal highway and aggregate specifications for cement, concrete, concrete products and asphalt; a much needed construction materials in building roads, bridges, runways, schools, homes, hospitals, office buildings and public facilities.

Hence, Limestone aggregates and screenings are essential in the construction of various physical structures such as, concrete bridge piers and spans, road base materials, asphalt pavement, concrete blocks, and tilt-wall construction.

they had freedom from the government and from the affairs

the federal government of the united states was established by the constitution. us is a presidential republic. the president is head of state, head of government and of a two party legislative and electoral system. the supreme court balances the powers of the federal and the state government. yhe executive branch is headed by the oresident. there are two chambers of congress, the senate and the house of representatives. judicial power is exercised by the judicial branch (or judiciary), comprised of the supreme court and lower federal courts. the judiciary's function is to interpret the   constitution as well as the federal laws and regulations.