Answer:
The answer would be B. Earth is an electromagnet.
Explanation:
The Earth is a giant electromagnet. It's electromagnetic field is generated from the currents of electricity coming from molten metal flowing in the outer core of our Earth. The heat from the inner core causes convection and that is how electric current flows within Earth.
Answer:
Red or Blue Litmus paper changes color when exposed to an acid or base.
Explanation:
It depends on if you want to go into that type of field. You also have to think about what you want to do, how high the pay is and how much of the work and effort you would have to do. In my opinion I think it would be great to go into genetic engineering.
