Motions of the Earth — EVS STD 5 — Question

Doctors give tetanus vaccine after getting a cut or wound while handling a sharp instrument or after falling down and getting bruised badly while playing.

We see phases of the moon.

Mountaineers carry oxygen in cylinders when they climb mountains that are more than 5000 m high.

Harmful substances like dust, smoke and microorganisms present in the air cannot reach the lungs.

A dead person was buried either in the house or in the courtyard.

The diet of Homo sapiens underwent a change.

It is dangerous to drive after drinking alcohol.

Even if we throw something upward with a great force, it finally falls to the ground.

Every science, too, has a history.

People who are suffering from tuberculosis or swine flu are quarantined and kept in hospitals.