The paper on which earthquake waves are recorded.

hoi

Explanation:

Seismic waves lose much of their energy in traveling over great distances. But sensitive detectors (seismometers) can record theses waves emitted by even the smallest earthquakes. When these detectors are connected to a system that produces a permanent recording, they are called seismographs.

Answer- Seismographs

Hope this helped!  ^w^

Credit goes to "usgs.gov"

cell regulation is conducted by special proteins.

i think the answer would d