Vhich best replaces the question mark in the box above? A
A
The Eye-in-the-Sea camera will provide a glimpse into the darkness of the deep ocean.
B
The Eye-in-the-Sea Web camera weighs 502 pounds and is worth about $600,000.
C The MARS observatory provides electricity to instruments that measure seismic activity.
D
The MARS observatory looks like a giant metal pyramid at the bottom of the sea.
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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.

b. the american revolution