Biology, 24.10.2019 09:43 zeesharpe05
According to the graph, what is the age of a fossil found to have just 25% of its original carbon-14?
a) 5,730 years
b) 11,460 years
c) 17,190 years
d) 28,650 years
Answers: 1
Biology, 21.06.2019 16:40
Some plants rely on the wind to reproduce an example is it’s important for plants to use the forces of nature to reproduce because 1. 1a white tuft of dandelion seeds 2a spiked burrs surrounding seeds 3a hard shell on a walnut? 2. 1b require pollination to reproduce 2b reproduce only asexually 3b cannot move about freely?
Answers: 3
Biology, 22.06.2019 08:00
Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a.one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b.one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c.one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.
Answers: 1
According to the graph, what is the age of a fossil found to have just 25% of its original carbon-14...
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