Question: What were the problems with Dalton's original laws? I found the following answer on Google: Mathematically, the pressure of a mixture of gases can be defined as the summation Is that a correct answer? Yes or no.
No

Question: what caused ww I found the following answer on Google: In turn these diplomatic clashes can be traced to changes in the balance of power in Europe since 1867. Is that a correct answer? Yes or no.
No

Question: what is in caffeine I found the following answer on Google: Caffeine is a bitter, white crystalline xanthine alkaloid that acts as a stimulant drug. Is that a correct answer? Yes or no.
No