What Do We Mean by a Primitive Meteorite

Multiple Choice

What do we mean by a primitive meteorite?

A) a piece of rock that is essentially unchanged since it first condensed and accreted in the solar nebula some 4.6 billion years ago
B) a meteorite that fell to Earth at least 4 billion years ago
C) a type of meteorite that is usually made mostly of high- density metals
D) a meteorite that was discovered by primitive people