The correct answer is "provide for the common defence."
According to the Preamble of the U.S Constitution, the aforementioned part about providing for the common defence actually means that the nation should be well prepared against foreign interventions of any kind.
This kind of preparation does not only refer to military preparation but also refers to protecting the country at any costs from external forces.
Answer: The correct answer is : B. Laboratory experiments do not generally reflect real-life circumstances.
Explanation: One of the advantages of laboratory experiments is that cause-effect relationships are easier to consider. In a laboratory the independent variables are manipulated by the experimenters.
Answer:
They use geyser fields for hot water and heat.
<span>They dissapeared 100 or more people.</span>