The cause of the Challenger space shuttle disaster was that the seals had not been tested at extremely low temperatures, so some of the seals failed. This is a problem with the step (perform tests on the prototype/testing) in the engineering design process.

Identify the painting technique and art style used by adam. adam used tiny dots of color to create a painting of a peacock. this technique is called 's painting is an example of 1). a photo-realism 1). b pointillism 1). c proto-cubism 2) a. post-lmpressionist 2) b. impressionist 2) c. realist