Class 10 Science AS 2
Our Environment 5 Modal with Answer Sheet Paper AS 2
DDT that was sprayed in minute amount on food plants was detected in high concentration in man? How did it ha…
DDT that was sprayed in minute amount on food plants was detected in high concentration in man? How did it ha…
Forest and wild life are very important natural resources. They constitute biodiversity hot spot i.e. the pla…
Name the phenomenon responsible for the observed twinkling of stars. Will this twinkling be observed by an ob…
Some dinosaurs had feathers although they could not fly but birds have fathers that help them to fly. In the …