Exams

The pattern is 2x32=64, 3x24=72, 4x19=76

The next number = 5x15.6=78

Nutrients are necessary for break down the food and supply energy to the organisms and to carry out essential life functions.

• Important nutrients are Hydrogen, Carbon and Oxygen.

• Some more important nutrients for plants are : Potassium, Sulphur, Nitrogen, Phosphorous, Calcium and Magnesium. 

Ecology is the branch of science which deals with the study of Ecosystem (relation between the Organisms and their Environment.)

Principal = Rs.(100 x 5400)/(12 x 3)= Rs. 15000.

Optical illusion is what that refers to persistence of vision with a principle that multiple images blend into a single image in human mind and what is showed in cinema.

Hence, Persistence of vision is the principle behind cinema.

During convection, cool and dense air falls through the warmer and less dense air. The warm air having less mass is being displaced by the cooler which is much heavy. Convection always involves the air rising through the atmosphere.