... them with one grass, for instance rye or wheat When a natural ecosystem is simplified the basic processes in the ecosystem are altered and even damagad Without their biodiversity they are not ... the passage, might be the final result of the simplification of natural ecosystem? a The basic processes are altered b There is loss of biodiversity c There is global warming d There is a change ... around the underlined relative pronoun if it can be omitted from these sentences We talked about the party which Sarah wants to arganize for my birthday To get to Frank’s house, take the main road...
... radio now The weather (be)……………………………… very hot yesterday I wish I (not to go)…………………………………….to the party last night He asked me (put)………………………….the books on the desk I think they should let him (go)……………………… ... result chiefly form burning(3)……………………….to power motor vehicles and to heat buildings Industrial processes and the(4)…………………… of garbage also contribute to air pollution, Natural pollutants (impurities)...