(2) Growing popularity of radio and motion pictures
Answer: The answer to the first one is the second option and the answer for the second one is the first option.
Explanation:
Statement that when two elements combine with each other to from more than one compound, the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.
Answer:
option b is the correct answer
1) H2O is able to dissolve both polar molecules and non polar ones
2) due to its extreme polarity it can even dissolve some I onic compounds
3 the h2o molecule itself is small in size
