Express each of the following numbers as the sum of two odd prime numbers: (i) 20 (ii) 24 (iii) 30

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.

What is a compass? how does it work

Why the moon is not visible from earth during the new moon ?