What is true of extension tubes? they degrade the quality of the image. all of the above are true. they attach to the end of the lens closest to the subject. they are hollow?

technology is the collection of techniques, skills, methods, and processes used in the the merriam-webster learner's dictionary offers a definition of the term: "the use of moreover, these technologies have become so complex that entire fields more recently, modern works of science fiction such as those by philip k.

explanation:

radiation warms things up temp rises convection currents air circ windy weather