Answer choice A,
Cities found proper ways to get rid of garbage and waste.
The correct answer is: C) increasing its role in the lives of citizens.
Franklin D. Roosevelt introduced <em>keynesian economic theory</em> with the launching of the New Deal policies in three waves from 1933 to 1939 to provide relief to farmers and jobs to the unemployed. He ended Great Depression by stimulating consumer demand through government spending.
Answer: A- To show how the silos use bacteria to change the food waste into methane.
Explanation:
Well silk because "Silk Road", food, spices, gold, weapons and horses (no books)