31. What does convection mean? A. It is a process where warm air rise up and cool air sinks B. It is a process where warm air sinks and cool air rise up C. It is a process where molecule heats fast through contact D. It is a process where molecule heats fast without contact 32. It is the average condition of the atmosphere over a short period of time in a particular place. A. climate C. weather B. atmosphere D. air pressure 33. What is the name of tropical cyclones in the Indian Ocean? A. typhoons C. hurricanes B. cyclones D. bagyo 34. What is the name of tropical cyclones here in the Philippines? A. typhoons D. bagyo B. cyclones C. hurricanes 35. What is the name of the tropical cyclones in the Eastern North Pacific and North Atlantic Ocean? A. typhoons B. cyclones C. hurricanes D. bagyo
