The gas motions within granules on the solar surface are
a. upward in the centers of some cells and downward in others; the gas cools as it passes between individual granules.
b. actually motionless. The dark regions are absorption features from gases in the photosphere.
c. upward in the bright cell centers and downward around the darker edges.
d. downward in the bright cell centers and upward around the darker edges.
C
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It is likely that both Pluto and Triton were originally ________
Fill in the blank(s) with correct word
A standing wave is set up in a 100-cm string fixed at both ends. The string vibrates in 5 distinct segments when driven by a 120-Hz source. What is the wavelength?
a. 10 cm c. 40 cm b. 20 cm d. 80 cm
The fusion of Li and N results in creation of
A) O and no energy transformed to other forms. B) He and energy transformed to other forms. C) He and no energy transformed to other forms. D) salami and cheese sandwiches. E) O and energy transformed to other forms.
The estimated lifetime of a resource is longer for exponential than static growth
What will be an ideal response?