Answer: creating more jobs for industrial workers.
Explanation:
Major shifts, that is shifts in the paradigms, are not very frequent - they would make scientific research unstable, as any result of a smaller study could be made invalid by a paradigm shift,
minor changes however are quite common - basically every scientific study adds to the common knowledge and this also can be considered a minor change.
Therefore the best answer is
<span>Major
shifts in scientific views very rarely occur, but minor modifications
of prior knowledge are continually made based on new research.</span>
Answer: a. A unit amount
Explanation: A standard cost is an
estimated cost of a process, resource, or item used in a manufacturing enterprise, to manufacture or produce a product, entered in an account and compared with the actual cost so that anomalies can be detected and fixed. The standard cost is introduced in the 1920s and it can also be referred to as an alternative for traditional cost accounting method that is based on historical costs.
It was harder to find jobs and less survival resources when moving to the coast. As America industrialized, the people started to migrate more towards the west especially when railroads were beginning to attach.