isabelleecurtis
28.08.2019 •
Physics
Which of the following minerals has greasy luster, no cleavage, and a white streak?
magnetite
pyroxene
talc
mica
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Ответ:
streak colors of common minerals
andalusite white or colorless (hardness is about the same as the streak plate).
nephrite colorless (harder than the streak plate).
olivine white or colorless (about the same hardness as the streak plate). often sheds tiny granules instead of a powder.
orthoclase white.
explanation:
Ответ:
Frequency is inversely proportional to time period. SI unit of time period is second while frequency is per second or second^-1. Time period is the time taken to complete a cycle of any function while frequency is the number of times a cycle is completed each second.
Ps. Please mark me brainliest if my answer is correct.
Janicey