State any four characteristics of Lasers.

Write any four characteristics of a material

Write any four characteristics of cleavage.

Write any four characteristics of electromganetic waves.Give two uses of microwaves.

Write any four characteristics of electromganetic waves.Give two uses of radiowaves

State any two characteristics of muscle fatgue.How is it caused?

Discuss any four characteristics of mastigophora.

State any two characteristics of the following chemical equation. dilute sulphuric acid is added to zinc granules in a test tube.