If the rocks are layered on a fine scale
If the rocks are homogenous
If the crystals in the rock vary in size
There are no statements listed but they were said to be semi-nomadic and are hunters and gathers. They were also the first people to settle in
Botswana. The Sans have been not been
part of any decisions or policies by government and they resent this.
Answer: The rock is 2000785 years old.
Explanation:
Expression for rate law for first order kinetics is given by:

where,
k = rate constant
t = age of sample
a = initial amount of the reactant = 800
x = amount of daughter isotope = 600
a - x = amount left after decay process = amount of parent isotope = (800-600) = 200
Half life is the amount of time taken by a radioactive material to decay to half of its original value.




The rock is 2000785 years old.
Answer:
D. pacific islands
Explanation:
took the usatestprep and got it right
<span> The country's poorest and least developed region is the semi-arid North-East. This region has historically had the single largest concentration of rural poverty in Latin America, with more than half of the total population and three quarters of the rural population being poor. Low income. mainly the big cities in south-east Brazil. the ranking of cities is being followed by the graph.
</span><span>
</span><span>short answer: yes the graph does follow the rank size distribution from the graph.</span>