Who invented seismograph for detection of earthquake and measurement of its intensity?

Who invented the World Wide Web? When was it?

How do honeybees help plants?

When was computer giant Microsoft Corporation established?

Which is the heaviest organ in human body?

How many oceans are there on the Earth?

Which was the most damaging earthquake in recent history?

Why do our faces keep warm without clothes?

Which was the world’s first communication satellite?

Why do we stand and walk upright?