With the federal funds rate near zero and the economy still struggling, the fed began buying 10-year treasury notes and certain mortgage-backed securities to keep interest rates low. this policy is known as
a) quantitative easing.
b) securities-bubble deflating.
c) inflation targeting.
d) contractionary monetary policy

A

Explanation:

Quantitative easing is a process whereby a government through its central bank buy up government securities and other securities in order to increase money supply to its economy while encouraging lending and investments. The process work in such a way whereby its central bank drops the interest rates of their country to zero.

This increases the supply of money as well as decreasing the yield of each of those asset categories.

dont understand question can you makeit more better

explanation:

allergens: overstimulate the nerve system

neurotics: attack nerve cells

mutagens: damage or otherwise alter dna sequence

generators: cause defects during growth and development  

carcinogens: cause unchecked cell growth

i hope you get the idea according to me these are the effects that happened.