Mars's magnetic field is most similar to: Mars's magnetic field is most similar to:
Earth's Moon's magnetic field.
Jupiter's magnetic field.
Earth's magnetic field.
the Sun's magnetic field.
Mercury's magnetic field.

Mars's magnetic field is most similar to Earth's magnetic field.

Explanation:

The correct answer is B) Russia.

The nation that was especially worried about Japan’s victory in the Sino-Japanese War was Russia.  

Japan won the first Sino-Japanese War defeating China. The war lasted form 1864 to 1865. With the victory, Japan showed the world it was a powerful nation. Japan kept control in Korea, that used to have a permanent Chinese influence. But Japan was interested in Korea’s raw materials such as coal and considered an important territory for Japan’s economic interest. The nation that was especially worried about Japan’s victory in the Sino-Japanese War was Russia. Russia considered a threat to its interests the results of the agreements stated in the Treaty of Shimonoseki.