An effusive eruption ________, whereas an explosive eruption ________.
A) results from magma produced by subducting oceanic plates; originate in the asthenosphere and upper mantle
B) produces composite volcanoes; is an outpouring of low-viscosity magma onto the ground
C) is a violent eruption of magma, gas, and pyroclastics; produces shield volcanoes
D) is an outpouring of low-viscosity magma onto the ground; is a violent eruption of magma, gas, and pyroclastics
E) produces composite volcanoes; produces shield volcanoes
Question 2
An estimated ________ percent of the Earth's precipitation occurs over land.
A) 22 B) 86 C) 14 D) 8 E) 78
Crossing Over Results in Genetic Recombination
(A) Scratch test; patient is exposed to allergens through a light scratch on the skin; (B) Positive
A lithograph of the eruption (circa 1888)
After the Eruption of Mount St. Helens in 1980
Results of a genome-wide association study (GWAS) to detect SNPs
Predictions for the results of mutation of an overlapping and a nonoverlapping genetic code