Want this question answered?
false
Assuming that you mean not (p or q) if and only if P ~(PVQ)--> P so now construct a truth table, (just place it vertical since i cannot place it vertical through here.) P True True False False Q True False True False (PVQ) True True True False ~(PVQ) False False False True ~(PVQ)-->P True True True False if it's ~(P^Q) -->P then it's, P True True False False Q True False True False (P^Q) True False False False ~(P^Q) False True True True ~(P^Q)-->P True True False False
false
It is false.
False because every quadrilateral is a four sided shape
False. Mount Vesuvius destroyed Pompeii and Herculaneum.
False. Mount Vesuvius destroyed Pompeii and Herculaneum, but never threatened Rome.
False
False
false
false: matter cannot be destroyed
False
False
False, iron atoms are converted to iron oxide
yes
True :D
it is true that a active volcano is one that has probably not erupted in a long time but could still erupt again, and a volcano that has not erupted since the last eruption on its due date to erupt it is classed as an extinct volcano or more commonly known as a mountain.