that is indeed an impossible question to answer for many reasons. First of all, no one knows how long most plants can survive as most succulents haven't been kept long enough in cultivation to know... secondly, life in cultivation is so different than life in nature that two have almost nothing to do with each other...
If something is a mammal, then it is a bat .. The converse is actually the contrapositive of the inverse and so always has the same truth value as the inverse, which is not necessarily the same as that of the original proposition. 1  Negation : .
speak, talk, and converse mean to express in words. speak is used of anything said, whether it is understood or not and whether it is heard or not. talk is used when there is a listener who understands what is said and often when both people do some speaking. converse is used for the exchange of thoughts and opinions.