damage

I was trying to replace the engine oil for my Cobalt LS 2008. I noticed that there is something broke under the chassis. Imgur: pic 1 Imgur: pic 2 It is located at the middle of the front part of the chassis. What is this part for? Is this damage serious so that I should replace it immediately...

Driving back home in Hawaii from Pearl City, took the on ramp to merge with the H1 freeway and began accelerating to get up to highway speeds (55mph) at the top of the ramp traffic was stopped cuz someone wanted to stop and wait for an opening instead of get up to speed and merge like YOUR...