20 circular plates each of radius 7 cm and thickness 1.5 CM are placed one above the other find the volume of the solid so formed​

Why are fossils of organism's from the phanerozoic eon much more likely to be found than fossils of organisms from any other eon? a. more organisms present during the phanerozoic eon had soft body parts. b. organisms present during the phanerozoic eon were all microscopic. c. more organisms present during the phanerozoic eon had hard body parts. d. organisms present during the phanerozoic eon are the most ancient life forms.

Which of the following countries has declared itself nuclear free

What was the first official pair of sister cities?