Pls help me with 5 and 6 thanks and read the story

Which of these statements best describes the st. lawrence seaway? the st. lawrence seaway connects the st. lawrence river with the arctic ocean. the st. lawrence seaway provides an important trading route between the u.s. and mexico. the st. lawrence seaway provides an important trading route for the u.s, but has little value for canada. the st. lawrence seaway connects the great lakes, the st. lawrence river, and the atlantic ocean.

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite

Which component in a graph indicates an independent factor? a. y-axis b. x-axis c. scale