A(n) ____________________ is the largest known structure in the universe
Fill in the blank(s) with correct word
filament
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In a spectroscopic binary, if a pair shows a combined set of lines tonight, but a maximum split two nights later, its orbital period must be:
A) one day. B) two days. C) four days. D) eight days. E) twelve days.
Latent Heats: The melting point of aluminum is 660°C, its latent heat of fusion is 4.00 × 105 J/kg, and its specific heat is 900 J/kg ? K. If 300 kJ of heat are added to 442 g of aluminum at 100°C, what is the final state of the system? That is, how much is liquid, how much is solid, and what is its temperature?
What will be an ideal response?
What is bought from an electric company?
a. Electrical energy b. Electric charge c. Electrical power d. None of these
Theories are derived directly from observations
Indicate whether the statement is true or false