subject
Physics, 16.09.2021 01:00 lalllda

Which allowed scientists to determine that Earth was at least 4.3 billion years old? A. magnetic field surrounding zircon

B. the radioactive decay of uranium to lead

C. the electrical conductivity of uranium ions

D. chemical reactivity of zircon ions

ansver
Answers: 3

Another question on Physics

question
Physics, 21.06.2019 22:00
The midpoints? a, b, and c are marked on the histogram. match them to the indicated scores. which? scores, if? any, would be considered? unusual?
Answers: 2
question
Physics, 22.06.2019 03:00
Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx hurrim timed
Answers: 1
question
Physics, 22.06.2019 04:20
Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.
Answers: 3
question
Physics, 22.06.2019 12:00
Apatient has a history of poor nutrition. he has skin rashes, bleeding gums, and a cut that hasn’t healed in a long time. what vitamin deficiency most likely caused this symptom?
Answers: 3
You know the right answer?
Which allowed scientists to determine that Earth was at least 4.3 billion years old? A. magnetic f...
Questions
question
Mathematics, 23.09.2019 11:20