1)These are situations after a sinkhole's appearance, except: A. stay away from the sinkhole. B. do not thrown into it may not contaminate the groundwater. C. secure whatever is left of your properties.
D. none of the above
2)"Typhoons develop from cyclones in the west." "Hurricanes develop from cyclones in the south."
A. Both statements are true
B. Both statements are false
C. Only the first statement is true
D. Only the second statement is true
3)"Storm surges cannot also be aggravated by the occurrence of low tide." Storm surge form when these are strong winds and low pressure."
A. Both statements are true
B. Both statements are false
C. Only the first statement is true
D. Only the second statement is true
4)Fire needs this combustible material in order to burn.
A. Heat
B. Water
C. Fuel
D. Gas
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