Our universe will end in a big crunch
Indicate whether the statement is true or false
FALSE
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What does equity have to do with the global warming issue? Explain
What will be an ideal response?
Ozone depletion in the upper atmosphere is likely to cause
A) heating of the atmosphere. B) melting of the polar ice caps. C) Both of the above. D) skin cancer. E) acid rain.
____ are star-like objects that contain less than 0.08 solar masses an will never raise their core temperatures high enough that the proton-proton chain can begin. Other minor fusion reactions do occur in these objects. They fall in a gap between the low-mass M dwarf stars and the massive planets in which nuclear fusion never occurs
a. Brown dwarfs b. Herbig-Haro objects c. Bok globules d. T-Tauri star e. Main sequence stars
The frequency of an electromagnetic wave and the frequency of the vibrating electrons that produce it are
A) nearly the same. B) the same. C) quite different.