________ are hot, compact remnant stars whose mass is typically between one and several times that of the Sun, but their size is only 10 km or less.

A. Pulsars
B. Neutron stars
C. White dwarfs
D. Black dwarfs


Answer: B

Environmental & Atmospheric Sciences

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Which of the following typically happens to visibility after a rainstorm?

A. It deteriorates. B. It improves at first, but then deteriorates. C. It is unaffected. D. It improves.

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Pedalling a bicycle into a 30 km/h wind requires how much more effort compared to pedalling into a 10 km/h wind?

A. eighteen times as much B. nine times as much C. six times as much D. three times as much

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Long-term changes in Earth's orbit and axial tilt are termed ____________________ ____________________

Fill in the blank(s) with correct word

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The boundary of an air mass is a region of especially active weather

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences