Answer:
0.5 m/s
Explanation:
V = m / t = 2 / 4 = 0.5 m/s
The answer would be “D,” as gravity is the force that keep all objects on Earth’s surface.
Parotid beacuse it include both sublingual and submandible and present near the ear
If this is for the scientific process unit, the answer is passing laws to prevent certain types of scientific research. I know because I had this question in biology.