Global warming is a serious environmental problem.
The problem is most serious when you dont know if your guy is chitten on you and if they having sex
A rash is only rarely a sign of a serious problem
it means very serious problem
we aim it at people or things that are not the cause of our frustration.
it can be
Carter Believed that the nation's most serious problem was its dependence on foreign oil.
aids
venezuela
In all but the poorest countries chronic diseases are the most serious health problem in poor countries.
A serious problem that disrupts women's lives and can have effects on the baby, other children, her partner, and other relationships.
The problem is very serious because endangerment is basically animals that don't have enough species to continue unless we stop killing them.