<span>Mantle convection is the slow creeping motion of Earth's solid silicate mantle caused by convection currents carrying heat from the interior of the Earth to the surface. ... This subducted material sinks through the Earth's interior.</span>
I believe that this specific problem has the following
choices to choose from:
monarchies have replaced democracies
dictatorships have replaced republics
oligarchies have replaced monarchies
democracies have replaced dictatorships
The correct answer among the choices is:
democracies have replaced dictatorships
City councils are the local legislators at the city level. Common tasks include deciding which services the city will provide and how to pay for them. Every city has a different process for electing, and retaining city council members.[1] In general, you will have to qualify as a candidate (i.e., meet age and residency requirements), register as a candidate (i.e., appear before the city clerk and obtain voter signatures), and run your campaign.
Answer: 240
Formula:
n = [(z-value * sd)/E]^2
where n = sample size,
z-value will be 2.58 using a z-table to represent the 99% confidence interval
sd(standard deviation) = 3
E = 0.5
Substituting the parameters into the formula n = [(z-value * sd)/E]^2, we have,
n = [(2.58 ×3) ÷ 0.5]²
n = 239.63 approximately 240.
