A career cluster is a collection of jobs that require similar skills and which typically are in the same field: these are jobs that one can consider changing to from the job that one already has.
let's look at the options one by one:
a collection of jobs that calls for a shared set of skills
-yes, this is what I said before!
a
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category of paid positions that exists within the same company
-no, positions in the same company don't require similar skills. For example, a company might employ a programmer and a Spanish translator. This is the correct answer!
a set of
jobs that involves common technical training
-this, too is a career cluster
a group of occupations that
requires the same educational background
-also a career cluster
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The correct answer to this open question is the following.
Although there no options attached neither further context nor references, we can comment on the following.
The problem the program was looking to help solve was trying to come up with a solution for the automation of wheat yield on a world scale using modern technology.
NASA helped to provide space technology to help to solve the problem.
Valerie Thomas was a brilliant mind in science, hired by NASA to develop a series of projects that contributed to the modernization of space programs.
Thomas helped NASA engineers to develop computers that supported the operation of satellites in real-time. This was a major advance for satellites' control centers.
It was 1n 1974 when she led approximately 50 people in project LAICE, Large Area Crop Inventory Experiment, where she used space technology to come up with a solution for the automation of wheat yield on a world scale.
The first civilizations developed in North Africa, Middle East, and South and East Asia because of the advantages that this areas offered to the people inhabiting them. The biggest advantage were the big rivers with long and wide fertile plains beside them, which enabled the people to be involved in agriculture and produce big amounts of food and even reserves. Since the food problem was solved, they were able to concentrate on other things in their spare time and started to develop architecture, sciences, philosophy, writing systems...