Answer:
True
Explanation:
The model of the universe developed by Nicolas Copernicus gave better predictions than the model of Ptolemy. The model of Ptolemy had prevailed for centuries, and it placed the Earth at the center of the universe. However, Copernicus accurately established that the sun was located at the center of the solar system. Moreover, Copernicus also established that the Earth is only one of many planets, that the Sun is stationary and that the Earth moves in three different ways (daily, annual, and annual tilting), among other astronomical principles.
Answer:
Jet stream
Explanation:
Jet stream is fast moving air or wind that blows horizontally through the upper layers of the troposphere, generally from west to east. It develops where air masses of different temperatures meet. The greater the difference in temperature, the faster the wind speed.
Jet stream has the following characteristics;
- The winds blow from west to east
- The flow often shifts to the north and south.
- They follow the boundaries between hot and cold air.
Answer : scientists determine the absolute age of a rock in millions of years before present rather than just the age of the rock relative to the rock units around it. This information helps geologists develop more precise geological history models for the rocks and regions they study.
Explanation:
<span>The minor body that orbits the outside of the Neptune is the planet, Pluto. It slipped along the orbit of Neptune for it to be called as the ninth planet. However, this planet around 248 years to orbit along the sun, which is why it doesn't usually cross paths with Neptune.</span>
