Answer:
The modern uses of radar are highly diverse. including air and terrestrial traffic control, radar astronomy, air-defense systems, antimissile systems, marine radars to locate landmarks and other ships, aircraft anti collision systems, ocean surveillance systems, outer space surveillance and rendezvous systems. radio waves, being just a specific slice of the light (EM) spectrum, can travel through space just fine. Actually, light travels slightly faster in space than in air. It travels at the cosmic speed limit. They can be used to detect obstacles in a distance of around 30 meters and measure their speed. They are placed in bumpers or on the sides of a vehicle and warn about possible collisions with objects or persons. In addition, they can be used to support the parking process.
Explanation:
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Answer:
C
Explanation:
The reason it is called this is because the many rivers that gave the surrounding land fertile soil.
BONUS FACT! Also it is known as the cradle of civilization, for it is where many modern ideas originated. (First Code Of Laws)
Answer:
Correct answer is A. people who demanded the emancipation of slaves.
Explanation:
A is the correct answer as it refers to the people who were fighting for deliberation and emancipation of slaves. Among them, probably the most famous one was Abraham Lincoln.
B is not correct as owners of plantation were against abolitionists, as they needed slaves to work on their plantations.
C is not correct as fugitive slaves were the people deprived of their rights, who run away from hard life that was imposed to them.
D is not correct as it doesn't refer to people who asked for banishment of slavery.
E is not correct as this people are totally opposite to abolitionists.
