The area of high population density that stretches from boston to washington,
d. c. , is a megalopolis.
a. true
b. false

Yes, this is true.

Specifically, this area is known as the Northeast Megalopolis. It is not the only such Megalopolis, as there is a similar one in Japan (Taiheyo Belt) in Egypt (the Greater Cairo). There are over 50 million people living in the Megalopolis from Boston to Washington.

Idk bro sorry  lava is hotter then magma but im  not sure about it alll