change the Verbs on the bracket into the passive or the active forms. see the examples. when hydrologists succeed(1. succeed), mist of the earth's serious wate

change the Verbs on the bracket into the passive or the active forms.
see the examples.

when hydrologists succeed(1. succeed), mist of the earth's serious water problems are brought (2. bring) under control. Even desert areas_______(3. tame) and cultivated. This________(4. eliminate) a major cause of war and conflict between people, since it________(5. make) thousand of square miles available for productive and comfortable living by people who presently_________(6.suffer) from crowded conditions and limited resources.Until the time_______(7. come) when our water recources_________(8. utilize) effectively, it________(9. be) necessary for governments, industries,and private individuals to encourage and support hydrological experimantation. Hydrologists_______(10.make) a better world possible for the earth's growing population.