Volcanoes czn change the earths surface, because over time, the lava from the volcanoes builds up, and creates and destroys land over time. We can look a for example Hawii, USA. This state is made up of small islands that were created by volcanoes, that are constantly changing the land.
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Answer:
0.9972
Explanation:
The sidereal day has a duration of 23 hours 56 minutes and 4 seconds approximately. The solar day has a duration of 24 hours. We have to convert the previous times to seconds:
Solar day:

Sidereal day:

Now, we calculate the fractional difference:

Free market because it is a system based on demand with little or no goverment control.
Answer:
A. Imperialism
Explanation:
European Imperialism in Africa was termed as the "<em>Scramble for Africa."</em> This was a time when majority of the countries in Africa were colonized by the Europeans. Much of their land was controlled because of having rich natural resources. The colonizers also imposed<u><em> economic policies that were unfair to the Africans.</em></u> Families were separated because of "forced labor." Men were obligated to work on the<em> mining areas and farms.</em> This left the women and children devastated. Since Europeans did not respect the traditions of the Africans, it led to the breaking up of values in the society.