Biology, 18.04.2021 22:10 ccollinsphotogr3177
Carbon 14 has a half life of 5730 years, if the atmosphere has 10,000 parts per million of carbon, how many years old is a fossil with 2,500 parts per million?
Answers: 3
Biology, 21.06.2019 21:00
Which geologic feature would most likely be represented by contour lines john far apart from one another? a cliff a hill a plain a valley
Answers: 2
Biology, 21.06.2019 21:30
The influenza virus cause the flu, but not other diseases. why?
Answers: 1
Biology, 22.06.2019 08:00
As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes
Answers: 3
Biology, 22.06.2019 11:00
Which measure of an earthquake depends on how close you are to the focus?
Answers: 3
Carbon 14 has a half life of 5730 years, if the atmosphere has 10,000 parts per million of carbon, h...
Social Studies, 28.06.2019 22:00