The are connected to the Atlantic Ocean by the St. Lawrence Seaway. Great Bear and Slave Lakes
Great Lakes
Colorado River System
Mississippi River System
tributaries of the Missouri River

2. this rock sample is limestone and shale. with what you know about rock formation, what type of environment did these organisms live in?

it being an ocean esketit where we droppin

5.4%

explanation:

the acceptance rate for harvard is 5.4%. this means only 5 percent of people who apply actually get accepted!