Another name for the unicellular organisms that dominated the earth up to the precambrian time is
a. prokaryotes.
b. eukaryotes.
c. cyanobacteria.
d. ediacaran.

The pelican's beak is adapted for in .

Which factor affects the force of gravity between objects? check all that apply. direction distance mass shape time

4.explain how these geological processes and interactions have changed earth's surface through the years. be sure to use evidence to support your answer • earthquakes • faults • ocean formation • mountains • volcanoes • island chains • seafloor spreading