A positive or pure science analysis cause and, effect relationship between variables but it does not pass value judgements. This positive aspect of science was emphasized by Adam Smith.

The positive aspect of science was given by Robbins.

Robbins was a renowned economist who wrote the book "An Essay on the Nature and Significance of Economic Science." In this book, he gave the positive aspect of science.

Heading: Positive aspect of science

- According to Robbins, science has a positive aspect, which is its ability to provide knowledge and understanding of the world around us.
- Science has made significant contributions to human progress, such as advances in medicine, technology, and agriculture.
- The scientific method allows us to test and verify theories, leading to more accurate and reliable knowledge.
- Science has also helped us to better understand natural phenomena and to develop solutions to environmental and social problems.

Heading: Importance of science in economics

- Science plays a crucial role in economics as it provides the foundation for economic theories and models.
- Economic science is based on empirical evidence and uses the scientific method to test and develop economic theories.
- Without science, economics would be based on speculation and conjecture, which would be unreliable and ineffective.
- The use of scientific methods in economics has led to significant advances in our understanding of economic phenomena, such as market behavior, consumer preferences, and economic growth.

In conclusion, Robbins recognized the positive aspect of science and its importance in economics. Science has played a significant role in human progress and has helped us to better understand the world around us. In economics, science provides the foundation for economic theories and models, leading to more accurate and reliable knowledge.

According to Robbins definition of Economic , Economic is not concerned with the nature of ends and whether ends contribute to human welfare or not thus his it lack human touch ..which make it postive science and exclude normative aspects.
thus option D is correct answer