Contrast Irr I and II in terms of structure
What will be an ideal response?
Irr I look somewhat like small-barred spirals; the LMC is an example. Irr II show more chaotic, filamentary structures, suggesting more violent explosive events.
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Venus has a highly eccentric orbit, accounting for its large temperature extremes
Indicate whether the statement is true or false
It takes less and less time to fuse heavier and heavier elements inside a high mass star
Indicate whether the statement is true or false
If an x-ray beam of wavelength 1.4 × 10-10 m makes an angle of 30° with a set of planes in a crystal causing first order constructive interference, what is the plane spacing?
A) 0.28 nm B) 0.070 nm C) 0.32 nm D) 0.16 nm E) 0.14 nm
Infiltration can be reduced primarily by ________
a. insulation b. double pane windows c. weatherstripping d. lowering the thermostat e. furnace maintenance