Answer: Option [C]Blizzards are characteristic feature of Antarctic region. Blizzards are characterized by low temperatures (usually below 20 degrees Fahrenheit) and accompanied by winds that are at least 35 mph or greater. Blizzards also have sufficient falling and/or blowing snow that reduces visibility to 1/4 mile or less at least three hours and is main feature of Antarctic region.
Answer: Option [D]The correct answer is Chinook. The Easterlies, the Westerlies and the Polar winds are examples of Planetary winds.
Answer: Option [B]Depression formed due to deflating action of winds are called Yardang.
Answer: Option [A]In atmosphere the lowermost layer is troposphere. The troposphere is the lowest layer of our atmosphere. Starting at ground level, it extends upward to about 10 km (6.2 miles or about 33,000 feet) above sea level. We humans live in the troposphere, and nearly all weather occurs in this lowest layer.
Answer: Option [D]The correct answer is Isohyets. Isohyet is a line drawn on a map connecting points that receive equal amounts of rainfall in a given period. A map with isohyets is called an isohyetal map.