They discovered this since S waves don’t travel through the earth but P waves do. P waves tend to travel faster than S waves in speed, 1&14km/s vs 1&8km/s
Answer:
1 It gives the cell its structure
2 It regulates the materials that enter and leaves the cell
Answer:
C. water acts as a radiation shield to reduce the radiation level
PH = −log [H+] = − log [5.4 × 10−3] ≈ 2.27 or 2.3.
or basically 2
