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Answer:
Quaternary period
Explanation:
The last Ice Age on Earth occurred during the Quaternary period. This Ice Age only ended around 10,000 years BC, so very recently. During this period, big portions of the Earth were under ice, with approximately half of North America, as well as half of Eurasia being covered in ice. The mountains around the globe too were covered in glaciers. Because there was so much water trapped in the ice sheets and glaciers, the sea levels were much lower, which opened up lot of land-bridges between the islands and continents, which turned out to be crucial for the human migrations around the globe.
<span>Oil is less dense than water so it floats, that is also why you have to shake real well any oil- based salad dressings (Italian and vinegarettes) before using.</span>
Answer:
Terrestrial planets
Explanation:
There are two types of planets:
- The inner planets or terrestrial planets
- The outer planets or Jovian planets.
The outer planets are gas giants and are made of huge mounds of gases. These planets are Jupiter, Neptune, Uranus and Saturn. They all have satellites revolving round them.
The terrestrial planets are small rock masses. They are mercury, venus, earth and mars. Earth has one satellites and Mars has two satellites.
The asteroid belt seperates the Jovian and terrestrial planets. Beyond the Jovian planets lies the Kuiper Belt Objects or KBOs.
Answer:
Explanation:
At the autumnal equinox.
At the equinox. , duration of day and night are equal all over the globe . It happens because sun is just over the equator , going towards the south .
After 6 months of night , day starts breaking in southern hemisphere. For next 6 months there is likely to be day in the south pole.
The sun will be seen near the horizon moving on a circular path all through the day parallel to the horizon without setting.
