Find the missing letters. J, X, I, V, H, T, G,

What is the primary cause of tides on Earth?

The primary reason that smoking cigarettes is bad for our health is that cigarette smoke _______.

Lamberts law is related to –

What is the chemical formula of common salt?

Which of the following devices stores electrical energy in a magnetic field?

Tungsten is used for the construction of filament in an electric bulb because of its 

`Short-sight' in human eye can be corrected by using proper –

A neutral atom has 9 electrons and mass number is 19. What is the number of neutrons in the atom?

_________ is a technique where the plants are grown with their roots suspended in the air.