heat transfer in glass , thermal expansion and contraction in glass, how the dimensions of glass is affected when it is heated up and cooled down

Amira pulls a 3 pound wagon 4 feet. how much work has she done?

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system

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.