This type of rock is formed when magma cools and hardens.
a. igneous
b. metamorphic
c. sedimentary
d. clastic

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 domain endings indicate websites that are most likely to be reliable sources? check all that apply. sites ending in .net

Whats the biggest sea in the world?