In a volcano, magma fills cracks in the Earth's crust. Under the right conditions, this magma can be forced onto the surface of the Earth in a volcanic eruption. What could cause a volcano to erupt?
O A
A chemical reaction occurs within the volcano causing the magma to boil.
ОВ.
Hot water under Earth's surface rises causing the magma to move upward.
O c.
Earth's plates move causing the heat and pressure of the magma to increase.
OD
The temperature of Earth's inner core rises causing the magma to expand.

Neelaredoxin is a 15-kda protein that is a gene product common in anaerobic prokaryotes. it has superoxide-scavenging activity, and it is constitutively expressed. in addition, its expression is not further induced during its exposure to o2 or h2o2 (silva, g., et al. 2001. j. bacteriol. 183: 4413–4420). which of the following statements best describes neelaredoxin synthesis? a-neelaredoxin is produced at all times; levels are constant even when exposed to o2 or h2o2.b-neelaredoxin is produced at all times; exposure to o2 or h2o2 increases expression.c-neelaredoxin is produced at all times; exposure to o2 or h2o2 decreases or prevents expression.d-neelaredoxin is only produced when there is exposure to o2 or h2o2.

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Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.