Physical erosion is the process where rocks change their physical properties with out changing there basic chemical components. :8)
Answer:
-50
Explanation:
Sum of 6 + sum of 4 = -100
100 + sum of 4 = -100
sum of 4 = -200
Avg of 4 = -200/4 = -50
Answer:
hmmm i the guy under me was right
Explanation:
