Answer: False
Explanation:
In experiments on human subjects, scientists cannot carefully control the conditions so that cause-and-effect relationships can be clearly proven.
Production of precious metals, sugar, rubber, grains, coffee, copper, and <span>oil.
Hope this helps!</span>
Answer:
Among the options given on the question the correct answer is option A.
Should we produce jeans with expensive machinery or less expensive labor.
Explanation: There are many determining factors for producing a specific product. There are requirements to determine about the production system, market, demand of the customer.
However , one of the important factor to produce a specific product is to determine the process. Like in the excerpt it is said that how to produce the jeans.In the first option it is said whether to use expensive machinery or less expensive labor. Now the fact is that the production type will be different if the system is changed.
Like as the if the expensive machinery is used for the production the price of the product will be high and the quality will be better.On the other hand if the less expensive labor is used the price will be lower.
Therefore,the option A best illustrates how to produce a specific product.
I think a governments role in promoting social standard are fun
In this milestone decision, the Supreme Court ruled that separating children in public schools on the basis of race was unconstitutional. ... On May 17, 1954, U.S. Supreme Court Justice Earl Warren delivered the unanimous ruling in the landmark civil rights case Brown v. Board of Education of Topeka, Kansas.
