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:
the answer is D.because the D represent cotyledon and at the same time the leaves which stores food during photosynthesis.
Answer: Nonliving
Explanation:
It cannot be classified as dead or living as it isn't and never was alive, and it is important to survival and therefore isn't unimportant
Hope this helps!
Explanation:
waterfalls are temporary features of rivers because stream erosion is greatest at waterfalls and rapids. The water that falls at the base of the waterfall erodes rock there, leaving the rock at the tops of the waterfalls to overhang. Overall, undermining causes waterfalls to recede farther upstream.
The best answer for this question would be:
detailed hieroglyphic writing system
The Mayans had exceptional writings that recorded what they
did throughout history. They made these writings in order to keep track of the
political rulers and the culture that they were establishing.
