Answer:
an irregular galaxy is a galaxy that does not have a distinct or regular shape.
Explanation:
For number 17, the city with the highest polulation density is Tokyo. Most of Japan's people live there.
After new moon it is waxing crescent
So False
Answer:
Krakatau volcano on 27 August 1883
Answer:
<u>Greenland Norse collapse</u>
Explanation:
- The southern Greenland Vikings numbering 5000 at their peak never gave up their old way of lifestyle and did not adopt that of the Northern Inuits who arrived a century later after them.
- The study suspects that the climate factors became dominant and they were destroyed by the shifting nature of mother earth hence they starved to death and could not adapt to the present change in weather patterns this society collapsed.
- Some theories say soil grazing and over-exploitation of land lead to the effect of black deaths and the creation of ice age. It indicated that the number of fertile women dropped and thus population could not sustain itself.
