Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Zircon crystals formed when a granite magma crystallised. Since then, geological processes have caused some of these crystals to end up with grains in a sandstone. What sequence of events would account for this?
and what implications would this make for the age of the sandstone assuming that the 206Pb/238U ratio is 0.90 with the radiometric decay worked out as:
t = 1/k x ln (1+ D/P)
where
t = the age of the sampleD = number of atoms of the daughter isotope in the sampleP = number of atoms of the parent isotope in the samplek = decay constant of the parent isotopeln = natural logarithm
The half-life of 238U is given to us as 4.47 billion years, which equals 0.693/k. So our formula becomes:
t = 4.47 x10^9 /.693 x ln (1+ .9)
t = 6.45 x10^9 x 0.642 =4.14 x10^9 years
What is the atmosphere?
Psychodynamic: unconscious need for attention, superego's reaction when uncomfortable with conversation, defense mechanism Neuroscience: family trait (heritability), mother and sister exhibit same behavior
Essay Four Plato's _Timaeus_ Write a 2-4 page typed essay in Word (double spaced, size 12 font) on one of the following topics. 1) Discuss Plato's account of creation in the Timaeus 2) Discuss the relationship between the soul and the universe in the..
What are the categories of provocative agents
Explain why it is important for readers to use these criteria when searching for information on nutrition and health.
How does her gender affect to the range of choices available to Maria as a young adult once she leaves her home community for life in the city?
Current Patterns of Parental Authority
1. Explain how servant leadership can improve communities and society. Why is leadership courage important to realize these changes? 2. What could lead to Greenleaf's theology of institutions becoming a viable model for making societal change? What s..
Describe the 4 phases of demographic transition, including if the population is stable, growing, or declining in each.According to demographers, what factors lead to a decline in the crude birth rates (CBR) and crude death rates (CDR) in the epidem..
Describe two (2) ways that YOU benefit from the process of photosynthesis. What happens when plants receive too much sun? Why? How does the mapping of photosynthesis by NASA in space relate to climate change
while information systems has one meaning it can be used in different ways for companies to keep a competitive edge on
A democratic political system is an essential condition for sustained economic progress. What are your thoughts? Do you agree? Why or why not?
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd