Answer:
Confounding variable
Explanation:
Confounding variable refers to the type of variable that can disrupt the validity of the experiment by giving a certain effect to the variable.
The experiment above was designed to measure mood elevation among the subjects, but the living situation among the subjects are really different among one another and cannot be controlled by the researchers.
There must be an earthquake detector in place to detect any earthquakes off the shores in the oceans. This system can be a regional or local system, and although the system is fallible the margin of error is very small.
Sometimes though the earth quake/movement is too close to shore to detect it in time, and people get caught in it as a result.
There also needs to be a universal warning signal that actually tells people that the tsunami is coming.
I hope this helped.
Answer:
<h3>Rural and urban settlements are interdependent by : -Economic activities of rural agriculture,livestock,fishing serve as the raw materials for vast segments of industries established in urban areas. -development in urban areas in terms of better roads,railways has helped in connecting many rural areas with urban areas.</h3>
They weren't very happy with the new taxes on tea, so they dressed up as Indians and threw it in the harbor. merica.
