2 ... humans and crows. Although I don't think there has been enough research to give credit to other species yet.
Historians solve many different problems; there is no "key problem"
All required info is available to solve a problem when there are just as many different equations as there are variables to solve for.
yes. It can solve weather,time,definitions,and even a math problem
3
There can be many such problems. We need to know the exact problem before answering.
Many ways - learn what the problem is (if there is one) then try and solve it.
There are many different problems and different ways for solving them.
It really depends on the specific problem; but quite often, there are several ways to solve such problems.
It is mice learning to do many steps to solve a problem
First Understanding. So reading the problem many times till to have an understanding. Then Recalling the relevent formula to solve the given problem. Now we have to Arrange the formula to get the needed value. Finally Substituting the values after coverting into SI units and getting the answer. Hence the technique of URAS is to be followed to solve any type of physics problem
There are many bad influences of Americans such as using anger to solve a problem. Americans also use alcohol to solve their problems.
There are many ways, you can breed them, or preserve them in a national park. It depends on what they are.