During and after the financial crisis of 2007minus2009, the fed greatly increased the supply of reserves through three rounds of quantitative easing by a. purchases of long-term treasury securities and sales of mortgage-backed securities. b. sales of both long-term treasury securities and mortgage-backed securities. c. sales of long-term treasury securities and purchases of mortgage-backed securities. d. purchases of both long-term treasury securities and mortgage-backed securities.

D) purchases of both long-term Treasury securities and mortgage-backed securities.

Explanation:

Quantitative easing is basically a large scale purchase of securities carried out by the FED. When the FED purchases long term Treasury securities, or any other type of security including mortgage backed securities, it is increasing the economy's money supply. Since the economy was facing a very deep recession, by increasing the money supply the FED was trying to boost the economy and make it rebound.

answer; /// egg production using the factory technique falls less than with the free range technique;

answer/// there is an inverse relationship between price and quantity demanded;