Instructions: Choose One Answer from Each Pair of Selections

Q37: If the amount of snow and ice

Q38: The formation of ice releases heat and

Q39: Seasons on earth are regulated by _.<br>A)

Q40: Airline routes are sometimes changed as a

Q41: Which of the following has a higher

Q43: The average summer temperatures in the Southern

Q44: The freezing of pure water is 32°

Q45: Which of the following is the poorest

Q46: Instructions: Choose one answer from each pair

Q47: When it is January and winter in