Carbon-14 dating, as described in the question above, does not work for samples that are very old (more than 50,000 years.) If an organism died 57,300 years ago, and the half-life of carbon-14 is 5,730 years, what fraction of the original carbon-14 in the sample would remain after that many half-lives? *
1/10
1/128
1/1024
1/57,300

When using the scientist method, which step comes last?

On a hot saturday morning while people are working inside, the air conditioner keeps the temperature inside the building at 22degreesc. at noon the air conditioner is turned off, and the people go home. the temperature outside is a constant 33degreesc for the rest of the afternoon. if the time constant for the building is 4 hr, what will be the temperature inside the building at 4 : 00 font size decreased by 2 upper p . font size decreased by 2 upper m .? at 6 : 00 font size decreased by 2 upper p . font size decreased by 2 upper m .? when will the temperature inside the building reach 24degreesc? 324281

Which statement describes the formation of our sun? a disk formed of long trails of stars coiled into a spiral. it formed an elliptical flattened disk. heat and gases contracted within a nebula. gravity pushed stars away from a center core.