How is radioactive decay used to date sedimentary rocks?
the amounts of potassium and argon i...
How is radioactive decay used to date sedimentary rocks?
the amounts of potassium and argon in sedimentary rocks are measured.
the amounts of carbon-14 and nitrogen in sedimentary rocks are measured.
the amounts of unstable elements in each layer of the sedimentary rocks are compared.
the amounts of unstable elements in the volcanic layers above and below the sedimentary layers are measured.
Answers: 1
Biology, 22.06.2019 04:30
Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases
Answers: 2
Biology, 22.06.2019 12:30
50 points! which of the following is an inference? a burning candle is extinguished when it is covered with a jar. the candle burns longer than expected in a jar that has a plant in it. a plant lives longer than expected in a jar that has a burning candle. there is more oxygen in the jar because there is a plant in it.
Answers: 2
Biology, 22.06.2019 12:50
Which of the following types of pollution is most responsible for large numbers of deaths worldwide because of unsafe drinking water? (a) nutrient pollution (b) thermal pollution (c) pathogen pollution (d) sediment pollution
Answers: 2
Biology, 22.06.2019 13:00
Aresident is five feet tall.what is the measurements in iches
Answers: 2
Social Studies, 26.09.2021 02:00
Health, 26.09.2021 02:00
Mathematics, 26.09.2021 02:00
English, 26.09.2021 02:00
Mathematics, 26.09.2021 02:00
Mathematics, 26.09.2021 02:00
History, 26.09.2021 02:00
Mathematics, 26.09.2021 02:00
History, 26.09.2021 02:00
Biology, 26.09.2021 02:00
Computers and Technology, 26.09.2021 02:00
English, 26.09.2021 02:00