PLEASE HELP! Biotechnology has contributed all of the following to agriculture except .
A.
pesticides
B.
synthetic fertilizers
C.
shifting cultivation
D.
bioengineered crops

Please select the best answer from the choices provided.

A
B
C
D

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.

the answer to your question is,

old stone age.

-mabel < 3

well, i can't read it so i'll ask you questions about it : )

if you were a reader and you read the introduction, would you want to read more?

does it start with a question? if so, is it something you would want to read about?

and ask any friends or family for their opinion : )

she recieved a treatment not thought to be specifically effective in treating her disorder.