Answer:
The correct answer is A. If you live in the Midwestern United States or Canada and you experience several days of winter temperatures below 20°C with clear weather, you are undoubtedly experiencing a Continental Polar air mass.
Explanation:
Continental polar masses are air masses that are cold and dry due to their region of origin. Polar continental air masses that affect North America form in further inland Canada.
Both the continental polar air masses and the Arctic air masses are highly stable; the temperature gradient in the lower layers is much lower than the adiabatic one, and stratiform clouds are predominant.
Volga River is the longest river in Europe.
It is also a source of hydroelectricity for many Russian cities along its basin
Answer:
The large space behind the lens ( the vitreous chamber ) contains a thick, gel - like fluid called vitreous humor or vitreous gel. These two fluids press against the inside of the eyeball and help the eyeball keep its shape.
Answer:
The upper mantle and crust.
Answer:
The stars mass (once it becomes a star) is inversely proportional to its lifetime as a main sequence star. A red dwarf can survive for many billions of years; a star that has twice the mass of the Sun, such as Sirius A, will have 25% of the Suns lifetime.
Hope this helps :)
Explanation:
