2. What is the force of a plastic ball when it hits the ground at 93 m/s2 if it has a mass of 0.25 kg? (2 pts) F = mx a =

Year  1936,  lehman predicted that the earths 'inner core' is solid. she observed that the seismic signals during her study were bent and did not pass through instead bouncing back. later it was confirmed that the earth's inner core was solid made up of nickel-iron and had a molten outer core.

Phagocytes contain digestive enzymes to facilitate the process of phagocytosis