How did the national reclamation act affect the environment?
a)private irrigation companies staked claims to sections of all riverbeds and redirected the water.
b)water management projects created huge reservoirs and lakes where there had been dry canyons.
c)prospectors began mining and farming in utah, new mexico, colorado, nevada, and california.
d)millions of acres of land were set aside for water preservation and for later public use.

the correct answer is b

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the answer is B..

Water management projects created huge reservoirs and lakes where there had been dry canyons.

i thinl it is the 1st answer

answer: the time zones used to be whatever the local authority wanted them to be. one town might have 6am whenever the sun came up and another town had 6am 10 minutes later.  

the trains had a hard time when their orders said to be at a certain point at 6am.  

6am, but who's 6am.  

the railroads got together and set the time zones more or less along the longitude lines across the country.

explanation: