Question 251. Another name for the wet and dry bulb thermometer is-

Question 252. Loo' is the example of-

Question 253. Land breeze is the phenomenon of-

Question 254. Which of these winds blow in the temperate zones and are also called antitrades?

Question 255. The mistral which flows over France from the Alps is an example of-

Question 256. Which one of the following countries celebrates Christmas festival in summer season?

Question 257. Meteorologists record the temperature continuously with a-

Question 258. The temperature at which the Celsius and Fahrenheit scales become equal Is-

Question 259. Cloudy nights are warmer compared to clear cloudless nights, because clouds

Question 260. Consider the following statements made about the sedimentary rocks :
1. Sedimentary rocks are formed at earth's surface by the hydrological system.
2. The formation of sedimentary rocks involves the weathering of pre-existing rocks.
3. Sedimentary rocks contain fossils.
4. Sedimentary rocks typically occur in layers.
Which of these statements are correct?