Question

what is means science​

Answer 1

the study of and knowledge about the physical world and natural laws

भौतिक जगत और प्रकृति के नियमों का अध्ययन और ज्ञान; विज्ञान

Modern science has discovered a lot about the origin of life. Modern science has discovered a lot about the origin of life.

2.

one of the subjects into which science can be divided

विज्ञान की कोई शाखा (जीवविज्ञान, रसायनविज्ञान आदि)

Biology, chemistry and physics are all sciences. Biology, chemistry and physics are all sciences.

Answer 2

Science is the study of the nature and behaviour of natural things and the knowledge that we obtain about them. A science is a particular branch of science such as physics, chemistry, or biology. Physics is the best example of a science which has developed strong, abstract theories.