What factors that influence economic growth has saudi Arabia invested in?

Saudi Arabia has invested heavily in capital goods, especially technology related to oil production, transportation, and communication. Saudi Arabia has very few natural resources, but the one they do have plenty of is oil. Oil production makes up the majority of Saudi Arabia's economic wealth.

Explanation:

can you give a picture of the map, i'll be able to update my answer!

answer; i believe the correct answer is (a) the correlation between the cause variable and outcome variable is zero;