The height of the net in the center of the tennis court is

The influx of domestic sewage containing detergents cause nutrient enrichment in water bodies due to the presence of

Name of the project to save Indians from Ukraine?

Name of the project to save Indians from Ukraine?

Name of the project to save Indians from Ukraine?

How many students from Ukraine has brought back to India?

This statesman, politican, scholar, inventor, and one of early presidents of USA invented the swivel chair, the spherical sundial, the moldboard plow, and the cipher wheel.

Galileo invented -