58:51 Read the passage below.
What is the effect of the comparison signal word
"both"?
Earth and Mars are known as terrestrial planets
because they are both made up of rock and metal.
However, scientists know much more about the internal
structure of Earth than they know about the internal
structure of Mars
It signals that Earth and Mars have something in
common
It signals that Earth and Mars are different from one
another
O It signals that scientists studied Earth before
studying Mars.
It signals that more facts about Earth and Mars are
coming
h