1. which courts in the federal system use three judge panels to review cases? explain the
primary job of these judges.

2. which courts in the federal system have original jurisdiction within their regions? define
original jurisdiction.

3. which practice in the selection process for federal judges allows senators to block
nominations to federal courts in their home states?

1)U.S. Appeals courts review the final decisions of district courts.

2)U.S. district courts have original jurisdiction for cases within their regions.

Usually a jury tries cases.

3)Senatorial courtesy allows senators to block nominations to federal courts in their home states

answer; i believe two are ; /// world bank and international monetary fund; good luck

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.