Please answer this question of science. Pls

Dear student 
Please find your answer below to the asked query :

a) Lactobacillus convert lactose into lactic in milk for curd formation. 
b) Low temperature destroys microbes in milk. 
c) bacterial antibiotics are used to kill various pathogens.
d) The bacteria which spoils the  cooked food are called
Clostridium botulinum. 
e) Alcanivorax bacteria or Methylocella silvestris. They are used to clean oil spills in ocean. 

Regards