Determine which compound has a high melting point?

Which of the following compounds does not contain molecules? question 2 options: co2 h2 nacl h2o

Which of the following best describes technology a. something created for only scientists to use b. the method of thinking that scientists use. c. the application of engineering to create useful products. c. a scientific idea

Need , hurry pls create a superhero out of the element iron, what are its powers and his sidekick ( an element that works well with iron). how was the superhero made and who discovered him