True!! they can be measured without changing chemical identity.
D, I think.
Because the bedroom is closer to the windows where is cold and wind went through, while the kitchen is a hot spots.
2................ 2................ 2................
A molecule is defined as two or more atoms of the same element different element that are bound together. A molecule may be homonuclear, which means, it consists of atoms of one chemical element, as with oxygen (O2); or it may be heteronuclear, a chemical compound composed of more than one element, as with water (H2O).
