True (a) or false (b)

a hurricane is a storm with wind speeds of at least 47 mph.

True

Explanation:

The wind speed to be considered a tornado is 40 to 72 mph

40% of the hurricane that occur in the United states hit Florida . the difference between a tropical storm and a

hurricane is wind speed – tropical strom usually bring wind of 36 to 47 mph where as hurricane winds speed are at least 74 mph

gas

explanation:

smoke is the matter of a gas

the answer is d.) potassium