The british officially recognized america’s independence in 1783 when a)the fighting ended after the war. b)george washington was elected president. c)the treaty of paris was signed. d)the declaration of independence was passed.

the Declaration of Independence was passed.

  C) The Treaty of Paris was signed.

Explanation:

  It was signed in Paris between representatives of King George III of Great Britain and representatives of the United States of America. It ended the American Revolutionary War and set the boundaries between the British Empire and the United States.

  I hope this answer helps you.

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.

answer; geography and region;