Answer:
No.
Explanation:
The seven wonders of the world are:
1) The Taj Mahal.
2) The Colosseum.
3) The Chichen Itza.
4) Machu Picchu.
5) Christ the redeemer (statue).
6) Petra.
7) Great Wall of China.
The Niagara Falls is a natural landscape.
I'd choose C.) and here is why. If I asked someone for directions to a hotel they are going to describe the roads and buildings to me. They might say it is built in an embankment then I know to look for a hotel in an embankment. If this is wrong please let me know so I can research more on the subject.
I believe the answer is C! The opposite sides are parallel
Answer:
The age of the rock = 2800.6 million years = 2.8 billion years.
A simple method of analysis similar to Carbon dating is used to obtain the required age of the rock. Radioactive substances decay according to first order reaction kinetics. So, plugging all the required parameters into the general equation for amount of substance left in a first order decay gives us the age of the rock.
Explanation:
Half life of Uranium-235 = 700 million years (from literature)
The decay of radioactive substances follow first order reaction kinetics.
The general equation is given as
A(t) = A₀ e⁻ᵏᵗ
A(t) = Amount of radioactive substance left after a particular time = 6.25%
A₀ = initial amount of radioactive substance = 100%
t = time that has passed since the beginning = age of the rock = ?
k = decay constant
The decay constant is related to the half life (T) through the relation,
k = (In 2)/T
k = (0.693/700) = 0.00099 /million years
A(t) = A₀ e⁻ᵏᵗ
6.25 = 100 e⁻ᵏᵗ
0.0625 = e⁻ᵏᵗ
In e⁻ᵏᵗ = In 0.0625 = -2.7726
-kt = - 2.7726
t = (2.7726/0.00099) = 2800.6 million years
t = 2.8 billion years.
Hope this Helps!!!
Hawaiian Island Is the most hot spot listed of Volcanoes
