Heat in Earth's core is produced by pressure.
The base of the pennant is 12 feet shorter than the height......A = (1/2) * b * h
80 = (1/2) * (h - 12) * h
160 = h^2 - 12h
12/2 = 6
6^2 = 36
h^2 - 12h + 36 = 160 + 36
(h - 6)^2 = 196
h - 6 = 14
h = 20
b = 8
Roughly 71 percent of Earth's<span> surface is covered by </span>water<span>, most of it in the oceans. About a fifth of </span>Earth's<span> atmosphere is made up of oxygen, produced by plants. While scientists have been studying our planet for centuries, much has been learned in recent decades by studying pictures of </span>Earth<span> from </span><span>space. Hope that helps :)</span>
Answer:
If a penny represents one years, 4.54 billion pennies are needed to represent the age of the Earth.
Explanation:
The equivalent number of pennies is the age of the Earth divided by the age of a penny. That is:


If a penny represents one years, 4.54 billion pennies are needed to represent the age of the Earth.
The major city will most likely to be nevada because it’s between them