Focuses on one specific thing at a time, whereas is the attempt to focus on more than one thing at a time.
a. divided attention . . focused attention
b. focused attention . . divided attention
c. short-term memory. . rehearsal
d. rehearsal . . divided attention

The correct answer is option b. "Focused attention . . . divided attention".

Explanation:

Focused attention is defined as the brain's ability to concentrate of a specific thing in a period of time, while divided attention is a higher-level skill which attempts to concentrate in more than one thing at a time. Focused attention is related with the ability to quickly detect relevant stimuli for its characteristic of being fully concentrated in one thing, whereas divided attention is sometimes referred as multi-tasking for its ability to perform several responses at the same time.

they were unable to pay their debts

the east coast has nothing to do with the dust bowl, the dust bowl killed a full year's worth of crops in seconds, and with the dust on the land, the land would be worthless.   furthermore the farmers couldn't  get  out of their houses due to the dust so when the bank came to collect money, farmers couldn't  pay it

in february 1787, congress decided that a convention should be convened to revise the articles of confederation, the nation’s first constitution. in may, 55 delegates came to philadelphia, and the constitutional convention began. debates erupted over representation in congress, over slavery, and over the new executive branch. the debates continued through four hot and muggy months. but eventually the delegates reached compromises, and on september 17, they produced the u.s. constitution, replacing the articles with the governing document that has functioned effectively for more than 200 years.