What is semispeciation?

Tested factor in an experiment that might affect the outcome? Why were trials taken and averaged? What is the name of a scientist that studies the environment? What in Fahrenheit is 27C? How does light travel from one point to another? What is 8.3 in scientific notation? What qualifcations do you need to be a forensic scientist? A crystal structure is characteristic of what? How do i unclog a bath tub? What is the second most reactive metal? Why is a control needed in an experiment? 800 miles in km? How many yards are in 401 miles? What an example of the word research being used inappropriately? What is the scientific notation of 206100000? How many days can you go without sleep? The kelvin scale is used to measure what? What did the alchemists do that was an improvement over the Greek method of finding out about matter? Could mothballs be safely used to repel stinkbugs for example tiny amount in attic insulation? What comes first cm m or km?