What kind economic system did Russia have where government owned
all means of production?

Centrally Planned Economy

Explanation:

Communist countries, particularly Russia and China, decided on a centrally planned economy. The centrally planned economy had the following major attributes: The government owns all means of production, which is managed by employees of the state.

answer; for children with two myopic parents,the likelihood of becoming myopic is ) correlated with the number of hours spent playing sports each week;

i believe the answer is: returns on investments, no wages

people who belong in upper class society would most likely get there by obtaining multiple source of income, which a certain percentage of ownership for businesses. since most of them are job creator, they would most likely get their money from profit, not wages.