A Boolean search can help you narrow down your topic by allowing you to restrict your search to look only for specific terms or groups of terms. This lets you use And, Or, or Not in searches. The correct answer is B.
Hugh has lived on 3678 Tulsa Street, St.Louis Missouri for fifteen years.
He has a complicated life about love and war<span />
The sentence that has the correct subject- verb agreement is the following one: Neither the Western Hemisphere nor the Eastern Hemisphere are immune to flooding.
The verb "to be" can't be singular because the writer mentions the two hemispheres (the Western Hemisphere and the Eastern one). That is why the first option is the correct one.