Exposure to radiation and other environmental mutagens.
I think the answer is B. physical activity during pregnancy may increase the likelihood of postpartum depression
B false eating disorders are very dangerous.
Biocontrol strain,Bacillus sp.EN71-1 ,Rahnella aquatilis HX2 ,strains of Enterobacter ,agglomerans,Psedomonas spp. ,etc are controlled by a beneficial bacteria.
True..........................
