The Sahara Desert blankets nearly all of Mauritania, Western Sahara, Algeria, Libya<span>, </span>Egypt<span> and </span>Niger<span>; the southern half of </span>Tunisia<span>; and the northern parts of </span>Mali<span>, Chad and Sudan.</span>
By observing how seismic waves are absorbed and refracted, scientist have been able to work out where the properties of the earth change dramatically. our understanding of the internal structures of the earth and the size of its core is based on these observations.
basically:
size of core
structure of the earth I.e. the layers of the earth
and I think the last one is how the internal structure is changing? not sure on the last one but its still a solid guess.
Answer:1-Luxembourg has the highest standard of living of all world countries based on GDP.
2- No, if a country has a high GDP the poverty level will remain low
3-GDP Per Capita
Explanation:
Im pretty sure these are right.
Answer:
I think it's A
Explanation:
It's called a direct democracy because everyone can directly vote for president instead of someone representing them
