An ocean current is a continuous movement of water in the ocean in some direction - this means that the water flows at a similar speed and direction despite the fact that it's not the same water - i.e. there is a water exchange in the current. The currents are caused by such factors as temperature and salinity of water.
Answer:
a gypsum.
Explanation:
On the moh's scale of hardness, minerals that are above another can be scratched by the one below.
The moh's scale is used to measure the hardness of a substance.
- Hardness increases upward on the scale
- Since gypsum and talc are found below the hardness of fingernail.
- They can easily be scratched by the fingernail.
There are several ice ages that has taken place here on earth. Recent studies of ice ages have interpreted glacial events by analyzing the oxygen isotope ratio in marine sediments.
- The Ice Age is a very popular timeframe in history. It is known to be a long time of decreasing in the temperature of Earth's surface and atmosphere.
This can also lead to the presence or expansion of continental and polar ice sheets and alpine glaciers.
The Earth's climate is said to often alternates inbetween ice ages and greenhouse periods. In this period, there will be no glaciers on the planet.
Scientists have recorded at least five important ice ages in the Earth's history.
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<span>The influx of the products made in the United Kingdom will boost the economy of the United Kingdom. The value of pound will thus increase, and the pound will appreciate and recover in comparison to the USD.</span>
The core of the Earth is a wildly hot and tempestuous place, which radiates massive amounts of heat. This heat is significant enough to move tectonic plates in such a way.
