What does invariaby?

What is an observation in a dataset? What happens to glass when it breaks? What is 47degrees Celsius? What is kalmanite? How can taking a quiz that another student wrote help you prepare for a test? What did Otis boykin invented? Would heating the culture in a sealed small diameter tube that is totally immersed in a water bath produce more accurate results that the use of tubes that are partially submerged in a water bath? Why is safety equipment used in a lab? A sentence with the word malign? Draw and describe 5 safety symbols? Could air be affected so that it is no longer a resoursewhy or why not? Where is the Hands-On Science Center in Tullahoma Tennessee located? Egyptology is the study of what? How many Celsius in 1 Fahrenheit? Didi Archimedes work with any other scientist? Did Isaac newton die by mercury? Why are ocean fossils found on top of Rocky Mountains? What kind of an adverb is actually? What is a group of ribosomes bound to the same mRNA strand? Why would a pinniped be able travel farther in water then on land?