Questions

A hard copy of a document is a physical object which is printed on printer.

The odometer or the odograph is an instrument used to indicate the distance travelled by the vehicle.

Amphibians are one of the most sensitive groups to change, whether that is caused by habitat loss, invasive species, disease, trade or climate change. Their sensitivity to environmental threats has been generally linked to the observation that amphibians are characterized by a rather permeable skin. Given their complex life cycles and other traits, amphibians are often recognized as indicators of ecosystem health.

New Delhi is the venue of the Women's World Boxing Championships 2018 started from Nov 15 to Nov 24.

Among the given options, CH4 is a non polar molecule with symmetrical tetrahedral shape.