My fellow weebsi found this out alittle bit ago and now i dont know what to say. Yoonbum is older but he never really knew who his mother and we are told that mother was out his life quite earlier on. So is there a possibility that she left bum for some reason and then got remarried to sangwoo dad and then had sangwoo. Thus making sangwoo and yoonbum half brothers.
and also you can have the free points if you want

hey , the answer is c

5 w for 1hr = 5x60x60 joules=300x60=3000x6=18,000j as total energy conversion. efficiency of bulb needed for radiant to thermal within 18000

hello, i am papaguy.

i have found an answer to your question but use it as information.

information: because weak acids/bases have low concentration of hydrogen ions, the addition of water has a large impact on the ph. 2. a difference in 1 unit is a 10x difference in concentration for example; a liquid with ph of 3 is 10x more acidic than a liquid with a ph of 4. therefore, a liquid with a ph of 3 is stronger.

best of luck!