Answer:
By measuring the quantity of unstable atoms left in a fossil and comparing it to the quantity of stable daughter atoms in the fossil , scientists can estimate the amount of time that has passed since that fossil formed.
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B. themes, geography has 5 themes, region, environmental, location, and two others
5 prayers a day
Salat al-fajr: dawn, before sunrise.
Salat al-zuhr: midday, after the sun passes its highest.
Salat al-'asr: the late part of the afternoon.
Salat al-maghrib: just after sunset.
Salat al-'isha: between sunset and midnight.
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