I can't find the right answer for this question.
A vast amount of basalt was extruded onto the surface of Earth in Siberia approximately 250 million years ago. In fact, there are similar flood basalts that correlate with many of the mass extinctions in Earth history. The occurrence of flood basalts has lead some scientists to infer that ___ is a major cause of mass extinctions.
a.
massive meteorite impact
b.
massive volcanism
c.
significant climate change
d.
flooding of continental areas
e.
expansion of Siberian glaciers
2007-07-23 17:53:51 · 5 answers · asked by noname 3 in Science & Mathematics ➔ Earth Sciences & Geology
It would have to be "b." because extruded basalt is associated with volcanic activity.
2007-07-24 04:15:18 · answer #1 · answered by rj1220a 2 · 0⤊ 0⤋
rj is right - basalt is extruded by volcanoes.
2007-07-25 11:28:00 · answer #2 · answered by krissylyn 7 · 0⤊ 0⤋
wow that is hard, i heard it was a meteorite that killed the dinosaurs but..
Im sorry, you couldnt look it up?
One more thing, your avatar reminds me of Daniel Radcliffe..He is so cute :)
2007-07-24 01:04:32 · answer #3 · answered by marya 5 · 1⤊ 0⤋
b
2007-07-24 01:15:13 · answer #4 · answered by onparadisebeach 5 · 0⤊ 0⤋
i dont know what the heck u just said!!!
2007-07-24 01:01:33 · answer #5 · answered by phone_freak3 1 · 0⤊ 0⤋