Reading Comprehension

Hi All,

Could you help me with this one ?

Because of the proximity and likeness of Mars
to Earth, scientists have long speculated about the possibility
of life on Mars. As early as the mid-17th century,
astronomers observed polar ice caps on Mars, and by the
mid-19th century, scientists discovered other similarities to
Earth, including the length of day and axial tilt. But in 1965,
photos taken by the Mariner 4 probe revealed a Mars without
rivers, oceans or signs of life. And in the 1990s, it was
discovered that Mars, unlike Earth, no longer possessed a
substantial global magnetic field, allowing celestial radiation
to reach the planet's surface and solar wind to eliminate
much of Mars's atmosphere over the course of several
billion years.

More recent probes have focused on whether
there was once water on Mars. Some scientists believe
that this question is definitively answered by the presence
of certain geological landforms. Others posit that different
explanations, such as wind erosion or carbon dioxide
oceans, may be responsible for these formations. Mars rovers
Opportunity and Spirit, which have been exploring the
surface of Mars since 2004, have both discovered geological
evidence of past water activity. These findings substantially
bolster claims that there was once life on Mars.

1) Each of the following discoveries is mentioned in the passage EXCEPT
(A) Wind erosion and carbon dioxide oceans are responsible for certain geological
landforms on Mars.
(B) Mars does not have a substantial global magnetic field.
(C) Mars does not currently have water activity.
(D) The length of day on Mars is similar to that on Earth.
(E) The axial tilt of Mars is similar to that of Earth.

2) Each of the following can be inferred from the passage EXCEPT
(A) The presence of certain geological landforms is not definitive proof that there was
once life on Mars.
(B) It is likely that there were few significant discoveries related to the possibility of
life on Mars prior to the mid-17th century.
(C) The absence of a substantial global magnetic field on Mars suggests that it would
be difficult to sustain life on Mars.
(D) The presence of water activity on Mars is related to the possibility of life on Mars.
(E) The claim that there was once water on Mars has only limited and indirect support
from recent discoveries.


OA
1: A
2: E

Thanks in advance.

Regards,
Uva.