Answer:
I think it is A. Antibodies
Please tell me if I am wrong
All the important functions of our body would simply be too slow for us to survive such as digestion. if we didn't digest quick enough our stomachs would be bloated all the time
Movements of tectonic plates create volcanoes along the plate boundaries, which erupt and form mountains. A volcanic arc system is a series of volcanoes that form near a subduction zone where the crust of a sinking oceanic plate melts.
I’m pretty sure The answer Is D. I did the test not to long ago and I got it all right. :)