Answer:
The rock is 3.75 billion years ago.
Explanation:
Given that:
Half life = 1.25 billion years
1 billion years = 10⁹ years
So,
Half life = 1.25 × 10⁹ years
Where, k is rate constant
So,
The rate constant, k = 5.5452 × 10⁻¹⁰ years⁻¹
Initial amount [A₀] = 80 micrograms
Final amount ![[A_t]](https://tex.z-dn.net/?f=%5BA_t%5D)
= 10 micrograms
Using integrated rate law for first order kinetics as:
![[A_t]=[A_0]e^{-kt}](https://tex.z-dn.net/?f=%5BA_t%5D%3D%5BA_0%5De%5E%7B-kt%7D)
So,
So,
<u>The rock is 3.75 billion years ago.</u>
Explanation:
It refer to global warming. The kyoto protocol is an international agreement that called for industrialized nations to reduce green house gases emission significantly. And also paris climate agreement, have also tried to curb global warming crisis. The kyoto protocol developed under United nations framework convention on climate change. ( UNFCCC)
The protocol encourages 192 parties to reduce their green house gases emission, with many developed countries having binding emission reduction targets.
<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em>.</em><em> </em><em>Thank you</em><em>.</em><em> </em>
Answer:
Sep 8, 2017 — The city of Babylon was the center of an empire for two millennia, ruled ... One of its early rulers, Hammurabi, created a harsh system of laws, ... across the Middle East as a way of communicating across borders. ... "At home he concentrated on improving the economic basis of his kingdom by building canals.
Explanation:
New Zeeland climate and temperatures
