Answer:
There are three main sources of heat in the deep earth: (1) heat from when the planet formed and accreted, which has not yet been lost; (2) frictional heating, caused by denser core material sinking to the center of the planet; and (3) heat from the decay of radioactive elements.
Explanation:
I need points
Solar power is not the best option in some countries because places like Rjukan (Norway) that do not recieve enough sunlight because of where they are located.
Where are the multiplied choices?
True.
Pilgrims came to North America because they wanted to worship in the ways they wanted to and not how the church told them to.
Answer:
The greatest angle is 
Explanation:
According to angle sum property of a triangle, sum of all the angles of a triangle is equal to 
°.
The given angles of a triangle are 
Therefore,
°
°
°
≈ 87.2°
≈ 71.8°
≈ 20.9°
Therefore, greatest angle is
