The first one is correct and the second one is B
The correct answer is Thailand: it has never been a colony. .so it also has never been a colony of an European country.
Burma was a British colony, known as British Burma, and it was a part of British India.
Cambodia and Laos were both part of French Indochina - a French colony
After studying the data table above and based on the previous answers from 51 through 53, and my own knowledge of this subject, I can easily answer this questions. The chemical symbol for the element that was shown in the table, that will absorb the two wavelengths of light is Ca.
The chemical Ca is also known as calcium. The atomic number is 20 for Ca.
