<span>Fresh water freezes at 32 degrees Fahrenheit, and as salinity increases, the required temperature to freeze decreases.
The freezing point for water at 18 0/00 is 30.233 degrees Fahrenheit. So, for the black sea to freeze, it would need to be less than about thirty and a quarter degrees in both areas. Further for the Adriatic not to freeze it must be assumed that the Adriatic's salinity is higher, probably significantly higher as to avoid even partially freezing.
Furthermore, as the Black Sea's decreased salinity is attributed to nearby freshwater runoff, it is safe to assume that the Adriatic Sea either A) Has little or no freshwater runoff, or B) Has a mitigating factor that negates any freshwater runoff, allowing the salinity of its water to remain high.</span>
The main form of radiation released by Earth at night is infrared radiation.
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Infrared radiation is invisible to the human eyes, but we can feel it as heat.
Answer:
D. It completely removes any available topsoil.
Explanation:
Open pit mining strips off the top layer of the soil in order to access near surface mineral deposits. Most near surface deposits are usually rock aggregates, coal, copper etc.
In order, to access these minerals, large amount of earth must be removed by earth moving machines.
Open pit mining greatly unsettles the ecosystem in mining regions and it leaves the surface bare and not suitable for agricultural activities.
Answer:
A. The closer the Earth locations, the farther apart the Venus locations appear to be
Explanation:
- Venus is the closest planet to the earth and is most similar in size but the nearness to the plant depends on the orbit as the planets travel in an ellipse around the sun and thus the distance among them is constantly shifting and changing.
- Venus takes about 224 days to travel around the sun. Thus the distance from the venus form the earth is about 223 million km.
