The correct answer is D. by perspiration.
I’m pretty sure it’s B, sorry if I’m wrong though, it’s been a while since I’ve learned this! ☻
For some reason I have a little bit of doubt that this is related to your schoolwork, however this is important to learn to not do so by mistake. This would take a few minutes of inhaling fumes and is a very painful way to die. Even if it doesn't kill you, exposure can lead to brain damage and chemical burns. 5-10 minutes of non ventilated inhaling.
Carbohydrates, all coming from the process of photosynthesis, represent the major ... out many functions in all living organisms and are the major energy source in a ... number of oxydrilic groups (so polyhydroxy aldehydes or ketones as well).
