B) investing in new machines would increase speed of production and the training sessions would still help the employees
Answer:
The changes in agriculture significantly altered global populations. The most significant immediate effects of the Columbian exchange were the cultural exchanges and the transfer of people (both free and enslaved) between continents.
Explanation:
The Columbian Exchange greatly affected almost every society on earth, bringing destructive diseases that depopulated many cultures, and also circulating a wide variety of new crops and livestock that, in the long term, increased rather than diminished the world human population.
They were all in Mesopotamia
Answer:
Import can be referred as goods brought into a country or the act of bringing those goods into the country, while export can be goods sold to another country or the process of sending goods to another country
Explanation:
Answer:D)Command-and-control policy to increase social efficiency.
Explanation: Command and control policy is the regulation that works for the environment as a policy or strategy.It helps in the improvement of environment regulation by anti pollution devices,schemes etc.It helps in the cleaning and protecting the environment from the pollution.
Emission control is for the limitation of the harmful gases from the automobiles.Other options are incorrect because it does not remove congestion,pollution through market strategy or for correcting tax.Thus,the correct option is option(D).