How are people able to live in the arid region outside of the mile valley. 1) salt is removed from seawater to create the water supply 2) the oases and aquifers provide water 3) water from the nile river is pipe to other areas

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.

answerthe vice president can only vote to break a (tie);

answerblank(1); superego; blank(2); /morality;