This is a sience question
at what location does gravity play a role in moving tectonic plates?

a in the mantle

b in the middle of a continent

c at the edge of the plates

d in the core

one of these is the rhoticity common in most american accents, because in the 17th century, when english was brought to the americas, most english in england was also rhotic.

d.

the northwest territory became the most densely populated area in the u.s.