Here are some of their achievements:
- theory of radioactivity
-discovery of a new element, polonium
-discovery of another element, radium
- developing new ways of separating radioactive isotopes
-discovery of nuclear energy ( by Pierre and one of his students)
Answer:
a. the military-industrial complex.
Explanation:
More than 50 years ago, President Eisenhower was saying goodbye to US citizens. In his last speech, broadcast on radio and television on January 17, 1961, he warned his countrymen about the serious implications of a new conjunction in American history: "the conjunction of a huge military establishment and a large armaments industry," the Industrial-Military Complex.
At the time of the farewell, the country was at the height of the Cold War and was threatened by a power capable of incinerating the American territory in a huge nuclear fire. Military spending at that time, the president said, consumed "more than the net profits of all US corporations." With this budget at the disposal of the Complex, the general spoke of an influence on American society that went beyond the economic and political sphere, even spiritual - an elegant way to say that co-optation corrupted even the soul.
Answer: B. Annual river floods replaced the soil, which improved the crops.
Explanation: Annual floods enriched the soil by dragging nutrients through the water, improving and speeding the growth of crops.
Separation of Powers
In Federalist Paper No. 51, James Madison elucidated and
defended the checks and balances system in the Constitution. Separation of
powers is based on each branch of government being framed in a manner that checks
the power of the other two branches; additionally, each branch of government is
dependent on the people, who are the source of legitimate authority.
The correct answer is regression analysis
Regression analysis<span> is used to understand which among the independent variables are related to the dependent variable, and to model these relationships. In restricted circumstances,</span>regression analysis<span> can be used to infer causal relationships between the independent and dependent variables.</span>
