Why is clostridium killed by oxygen, where as Strptococcus is not?

Explain how their involvement would promote the likelihood of success for the strategic plan. 
June 28, 2018
What are the access-to-care issues in the given situations? Suggest  at least two solutions to address the access-to-care issues in these  scenarios. Scenarios:
June 28, 2018

Why is clostridium killed by oxygen, where as Strptococcus is not?

Clostridium and Streptocaccus are both catalase-negative; Streptocaccus  grows by fermentation. Why is clostridium killed by oxygen, where as Strptococcus is not?