The rich black soil of which of the following regions allows the growth of many crops?
1)uzbekistan
2)ukraine
3)armenia
4)siberia

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 geologic process is related to caldera formation?

Some of the incoming solar radiation is absorbed by the floor. identify the type of electromagnetic energy reradiated by the floor