Toefl grammer test

[heisazadeh]

Because geophysics embraces the concepts, data, and methods of variety other sciences, it is very broad in scope, and its boundaries are hard to define.

B is correct. In order in correct this sentence, which would be better? "various" or "a variety of"
Thanks in advance.

 

[emsr2d2]

Because geophysics embraces the concepts, data, and methods of variety other sciences, it is very broad in scope, and its boundaries are hard to define.

B is correct. In order in correct this sentence, which would be better? "various" or "a variety of"
Thanks in advance.

I would say that both of your suggestions would fit equally well. However, if you are only meant to exchange one word for another, then you would have to use "various".