How can you minimize the error while measuring the length of the body? Write any two precautions to be followed. please fast emergency.. ​

What happens to atoms and chemical bonds during a reaction?

The solid that is formed and usually sinks to the bottom of a solution is the

Which of the following is part of the explanation or description of electromagnetic waves? (select all that apply) a. electrically charged molecules in a medium transfer their energy to nearby electrically charged molecules. b. a changing electric field causes a changing magnetic field. c. magnetic molecules in a medium transfer their energy to nearby magnetic molecules. d. a changing magnetic field causes a changing electric field.