Which one of the following favours the fastest transpiration rate?
A cool, humid, windy day
A hot, humid, still day
A hot, humid, windy day
A hot, dry, windy day
Transpiration will be fastest when the day is
(a) cool, humid and windy
(b) hot, humid and still
(c) hot, humid and windy
(d) hot, dry and windy
A solar water heater cannot be used to get hot water on
(a) a sunny day (b) a cloudy day
(c) a hot day (d) a windy day