They are called paleontologists.
Answer:
C
Explanation:
The crayfish is a relatively large specimen, even the mouthparts. Since you are dissecting the mouthparts, you need a 3D view: you should use the dissecting microscope.
Wind forms when the sun heats up one part of the atmosphere differently that another part.
Answer:
i am sorry i dont know :(
Explanation:
Potassium is just below the sodium in periodic table in s group !
so the valence electron of sodium and potassium is same and that is 1 !
