The most common type of magma erupted during hawaiian eruptions is basalt. More than 90% of all volcanic rock on Earth is basalt.
The blinds have pulleys. To pull them up and down.
The following events are arranged in order:First was Ptolemy's Map based on description from Ptolemy's own book Geographica which is dated c. 150 AD.
Second is Columbus landing in the Bahamas in 1492.
Thiirdly would be Piri Reis map dated1513.
and lastly would be the Mercator projection dated 1569.
The flow of heat from Earth's interior to the surface is estimated at 47 terawatts<span>(TW) and comes from two main sources in roughly equal amounts: the radiogenic heat produced by the radioactive decay of </span>isotopes<span> in the mantle and </span>crust<span>, and the primordial heat left over from the formation of the Earth.</span>
Because when the sun hits the earth in different angels and the climates get hotter in only some places.