What is the Babcock model?
What will be an ideal response?
The Babcock model explains the magnetic cycle as repeated tangling and untangling of the solar magnetic field. Because an ionized gas is a very good conductor of electricity, if the gas moves, the embedded electrical currents and resulting magnetic fields must move with it. As a result, differential rotation drags the magnetic field along and wraps it around the Sun. Rinsing and sinking convection currents then twist the field into ropelike tubes. The model predicts that pairs of sunspots should occur where these magnetic tubes burst through the Sun's surface.
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Answer the following statement true (T) or false (F)
A typical E. coli bacterium is measured in microns. Which of the following is a representation of a micron?
A) 1 × 10-15 B) 1 × 10-12 C) 1 × 10-9 D) 1 × 10-6 E) 1 × 10-3
The maria are really seas of long since hardened ________, a dark volcanic rock that also makes up the ocean basins of Earth
Fill in the blank(s) with correct word
Four identical 2.5-mF capacitors are connected together electrically. What is the greatest possible capacitance of the combination?
a. 0.50 mF b. 0.42 mF c. 0.63 mF d. 10 mF e. 0.40 mF