Compound word.
Don't mind the "x" and "z" if you look at the included image.
This might help. It is the image.
http://www.enchantedlearning.com/alphabet/wordforeachletter/compoundwords/answerstiny.GIF
Transitions help connect ideas, so the second option would be your answer.
Hope I helped!
Answer:
is
Explanation:
The correct answer is "Is" because the location of a single item is being described.
D) OMIT the underlined portion.
Archaeologists often begin their analysis when they return with the artifacts to a safe place, such as a laboratory. It sounds way better like this and it wouldnt sound right with any of the other options.
^_^
