A large amount of paper is wasted daily in offices, schools, bags shop. Sumi an 8th standard student is against this wastage of paper. What value does Sumi try to rise?

What's erosion? a. the breakdown of rock into smaller pieces b. the removal of weathered products from rock c. a change in rock resulting from exposure to water d. a chemical change in rock that weakens it

Simple astronomical telescope the objective lens has a focal length of 75 cm and that of a piece of 5cm of the lenses are 18 cm apart when will be final image of a distant object before

Which statement about this figure is false