Answer:
an expression of more than two algebraic terms, especially the sum of several terms that contain different powers of the same variable(s).
<span>The vagina connects the uterus to the outside world.</span>
There are holes in the end of the phloem tubes because Phloem consists of sieve tube cells and companion cells for conduction of food These sieve elements are placed end to end . At the the junction of two sieve elements there is a plate called sieve plates having circular pores.
B) a smokestack for an electric power plant