Abacteria called e. coli is found in different kinds of foods, including beef. thoroughly cooking beef can prevent infections caused by e. coli.

which conclusion is best supported by this information?

1.e. coli is a harmful bacteria that can be killed by exposure to oxygen.
2.e. coli is a bacteria that can be killed by exposure to oxygen.
3.e. coli is a harmful bacteria that can be killed by high temperatures.
4,e. coli is a bacteria that can be killed by high temperatures.