Can someone help me with this answer thank you.

B. ow in knowing

Explanation:

In Phonetics, 'ow', 'oa', and 'oe' usually produce the same sound when pronounced which is the long o sound.

This is why the 'ow' in 'knowing' is pronounced in the same way as the 'oa' in 'approach'. The 'ow' in 'downstairs' is not similar to them due to it's position in the word having changed its sound.

c.to compare several aspects of the tragedy to other worldwide tragedies

life 2200 right now look pretty good because on how quickly humans are advansing, life will be a breeze. most by by then would have out lawed disese.most wouldn't have to work anymore beacuse everything would be free. the econamy for most countires would be really good, also by then u.s.a would have probably would have expaned its borders.

so that counculeds my thoghts of how 2200 is you for reading