What are the advantages and disadvantages of using mobile phones?
Describe a person who has been the role model for you.
Write a joke you have recently heard in one paragraph.
Write an essay on Air pollution in about 200 words.
Write an essay on the role of English language in the context of present Nepal.
What are the advantages of vegetative propagation?
What are the external factors affecting photosynthesis?
A radio station broadcasts at 800 kHz. If the radio waves (em-waves) travel with a speed of 3x10^8 m/s, what will be the wavelength of the wave?