Answer:
The closest group of asteroids to our Sun is called the Asteroid Belt. It is 329 million to 478.7 million km away from our Sun.
Explanation:
No other group of asteroids is closer than this one. You can find the Asteroid Belt between the orbits of Jupiter and Mars. Half of the mass of these asteroids is from asteroids Ceres, Vesta, Pallas, and Hygiea.
There are many ways to reduce flooding. Many places use obstructions like Levees, Dams, and seawalls to hold water back in reservoirs. Additionally ditches and intricate rainwater drainage systems have also helped to reduce flooding in major areas.
A road map shows you the routes you can take from point A to point B. A topographic map shows altitude by contour lines. So the main difference is directions vs altitude.
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