If you divide by 20 from 10 then multiply by 15 you will get 3.9
Answer:
A planet is an object that orbits the Sun in an elliptical orbit, has compounded its matter in a spherical shape and has cleared its orbit of other debris. While a dwarf planet also orbits the Sun, has compounded its matter in a spherical shape, but has not cleared its orbit of other debris.
Explanation:
So A .
Answer:
PERMAFROST LAYER
Explanation:
Permafrost layer is usually defined as the thick layer of soil that is mixed with the broken rock fragments and other sediments, and are covered by ice throughout the year. These are mostly found in the higher latitudinal region, where the thickness of these layers ranges from a few meters to tens and hundreds of meters. The melting of these layers in these regions leads to an increase in the sea level.
For example, the permafrost layers of tundra and subarctic zones in Russia and its nearby areas, which have a thickness of about three meters.
Ancient Egypt was concentrated on the Nile River.
Answer:
C
Explanation:
There was introduction of new industrial technology thus people opted for them
