there are 4.0 moles of SO3
CATGGATCCA for future reference this is considered biology, you may get a quicker response if you categorize it as such :)
The answer would b B, a leaf blowing across a field.
hope this helps.
It is advisable not to wash the thermometer and hot water because it made cause the thermometer to break and mercury to leak out from it... it can also damage the accuracy of the thermometer
