1 Вставьте am (not)? are (not) is (not) 1) I … a student of mining 2) Crop and animal farming … the main branches of agriculture3) The…

Crop farming is very important for every economy1) am2) are3) is4) are5) are,are not6) is not7) am,am not8) isDoes crop farming important for every economy? Crop farming is not very important for every economyProcessing is not important for all mineral resourcessIs processing important for all mineral resourcess