Ang mga USAFFE na nakaligtas sa kamay ng mga hapones ay piniling mamundok at sumama sa? ​

surface modification is a versatile tool and has been widely used in material science and engineering that has significantly facilitated the study and characterization of complex materials. at  matexcel, experienced experts in surface science can offer tailored efforts to meet the specific needs from our clients.

the answer is d (apex) good luck : ))

oxygen = 21% of the atmosphere

nitrogen = 78%

carbon dioxide = 0.1%

argon =0.934%