Aristarchus taught that the sun was the center of the universe, hence option B is the correct option.
<h3>Who is Aristarchus?</h3>
Aristarchus was popularly known in the field of astronomy he discovered that the sun is about 18 times away from the earth than the moon.
Aristarchus was a German mathematician who lived between 310-230 BC
Learn more about Aristarchus here:
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Answer:
#ifndef
Explanation:
#ifndef checks whether the given token has been #defined earlier in the file or in an included file.
It should be understood that #ifndef preprocessor commands are used to test if a preprocessor variable has been "defined".
And it should be noted that #ifndef is known as header guards. And its primary purpose in C++ is to prevent C++ header files from being included multiple times.
In conclusion , it should be noted that #ifndef is one of the conditional processing blocks, andit is known as header guards because it used in creation of "include guard".
The answer is a religious leader .
Answer:
The data shows the most possible negative externalities for people living in industrial areas
Explanation:
