The spanish attempted to ward off future threats on present-day california by

a. building a great wall.

b. building missions.

c. enslaving native americans to stand guard.

d. none of the above

For each of the following examples of data, determine which scale of measurement is used. a) the number of miles joggers run per week. b) the starting salaries of graduates of mba programs c) the months in which a firm's employees choose to take their vacations. d) the final letter grades received by students in a math course.

Brainliest to who answers! what will always cause a supply curve to shift to the left?

During the late 19th century, russia's settlement and development of siberia was made possible by the invention of the