Heat is simply another word for
A) temperature.
B) thermal energy.
C) both of these
D) none of the above
Answer: D
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A website ______ is a summary page of links to major pages at the website.
A. search feature B. glossary C. index D. dictionary
Cold-dark-matter models predict:
A) large-scale filaments containing both normal matter and dark matter. B) no structure on a smaller scale than superclusters. C) the universe is less than 10 billion years old. D) dense regions of the early universe that led to galaxies formed after decoupling. E) that dark matter is the largest component of the universe's density.
Light spreads out when it passes through a narrow slit because of interference
Indicate whether the statement is true or false
At an altitude of 5 times the radius of the Earth, the acceleration due to gravity is
a. g/5. b. 5g. c. g/25. d. not given.