Answer:
The number of terms in the polynomial are:
Three.
Explanation:
We are given a polynomial expression in terms of variable a,b,c,d , e and h as:

We know that in any algebraic expression the number of terms are the number of unlike expressions that are separated by a minus or plus i.e. addition sign.
Hence here by looking at our polynomial expression we see that there are three terms in the expression :
1)

2)

3)