If `intbot`m, then can we say that m`intbot`?

If l bot m , then can we say that m bot l ?

We can see the spots in

How can we separate mixtures?

can we taste on dry tongue?

Niharika took two angles 130^@ and 50^@ and tried to check whether they form linear pair. She made the following picture.Can we say that these two augles do not for a linear pair ?If not, what is Niharika's mistake?

Can we say that (-48)+8=48+(-8)

Give reasons. How can we say that photosynthesis is the basic energy source for the living world ?