Which segment of the u. s. population actually saw increased employment in the fields of education, nursing, domestic service, and the textile industry during the 1930s? a) white males b) white females c) african-american males d) african-american females

answer; i believe that the correct answer is (tobacco);

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:

what do you mean

the of atp are the key to its ability to store and supply energy;

phosphate

the phosphate groups of atp are the key to its ability to store and supply energy. atp releases energy when it breaks bonds between its phosphate groups.