Угадайте слова: an illness often caused by an infection: _i_ea_e the protection of nature: _o_ _ e _ _ a _ i o _ a type of energy that can be produce light and heat and make machines work: e_e_ _ _ i _ i _ _ !

An illness often caused by an infection: disease
The protection of nature: concervation
A type of energy that can be produce light and heat and make machines work:
electricity