с английским языком Ex. 2 Define the part of speech of the following words and translate them into Russian.
a) physics – physicist – physical
nature – naturalist – natural
experiment – experimentalist – experimental
theory – theorist – theoretical
chemistry – chemist – chemical
observation – observer – observational
transformation – transformer – transformable
indication – indicator – indicative
b) accurate – accurately
mechanical – mechanically
natural – naturally
actual – actually
central – centrally
positive – positively