What is the difference between volcanism on Venus and that around the ring of fire on Earth?
What will be an ideal response?
Volcanism around the ring of fire is caused by the motion of the tectonic plates, and are composite volcanoes. On Venus, there are no plate tectonics so the volcanoes are shield volcanoes, the type produced by hot-spot volcanism.
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A. +x direction B. -x direction C. +y direction D. -y direction E. +z direction F. -z direction T. The field is zero.
During a lunar eclipse the Moon's phase must be
A) 3rd quarter. B) 1st quarter. C) new. D) full.
What is the purpose of adding aluminum salts and a base to water during water treatment?
A) The two together gel and trap dirt and bacteria. B) The higher pH kills bacteria. C) The aluminum removes the rust taste from the water. D) The base dissolves the dirt. E) It improves the taste.
Energy in the sun is produced primarily by
A. fossil fuels B. neutrinos C. fission D. fusion