The first one and the fourth one
Answer:
Ratio used to describe a change that represents relationship between two values numerically.
Therefore, the correct answer to the question is option A.
Explanation:
Ratio is a relation between two numbers. This relationship is represented numerically. The relationship is not represented graphically or by a picture manner. Also, it is not the relationship which is represented on a scale.
Hence ratio is relationship which is represented numerically. The ratio is defined as a part of something in the whole. By ratio we can also calculate the parts whichever is needed.
60% of animal life live in oceans
