The answer is either a or c
The organ that responds to stimuli with vibrations is the eardrum.
Answer:
Intrusive rocks are coarse-grained in texture and crystallise slowly from magma deep in the earth's crust. Extrusive rocks are fine-grained in texture and crystallise quickly from lava on or near the earth's surface. The mineralogy determines the type of rock.
Almond is the most reliable source for vitamin b12
