All of these statements about primary sources are true except: a.
Some examples are letters, diaries, and photos.
b.
They are interpretations of past events, based on evidence and artifacts.
c.
They are created at the time of an event, or very soon after.
d.
They are first hand, or eyewitness accounts of an event.

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Magma forms by partial melting of upper mantle and crust. partial melt means that only a fraction of the available material forms a melt, and that the remainder stays solid. the partial melt rises because of its lower density and ascends through he crust. this is so conclusive mean the answer would be magma igneous rocks or balistic magma.

Answer meranesia;

Adrought is taking place