What instrument is used to collect humidity data?

What is the chemical formula of the following compound

Energy is released during which phase changes? check all that apply. boiling condensing depositing freezing melting subliming

Free answer. the treaty of versailles ended world war i, but some of the terms of the treaty contributed to the beginning of world war ii. which was one of the terms of the treaty? the answer would be "germany was forces to pay reparations to the allied countries.". i hope this .