Which phrase best describes subduction?
a.
sinking of one tectonic plate under another
b.
collision between two tectonic plates
c.
spreading apart of two tectonic plates
d.
movements of tectonic plates across the earth's surface

Seed plants that lived during the carboniferous impact life on earth today because a. they are the ancestors of all plant life on earth. b. their remains formed coal, which is an important resource. c. they produced fossils that are used to date many geologic events. d. their presence caused oxygen levels to drop, allowing animals to evolve.

Why would the composition of a meteorite resemble the earth's interior?

Which of the following is an example of an outdated theory based on the consensus of the scientific community ? a. big bangb. geocentric solar systemc. heliocentric theoryd. plate tectonics answer : geocentric solar system