In July 1965 Mariner IV passed by Mars and took the first-ever close-up photographs of another planet,which showed that the Martian surface was like that of the Moon’s in that it was pockmarked by moonlike craters and was dry and apparently dead .
(A)which showed that the Martian surface was likethat of the Moon’s in that it was pockmarked by moonlike craters and was dry and apparently dead
Use of WHICH to modify an idea presented in earlier sentence is incorrect. Use of THAT leads to Redundancy.
...
(A)which showed that the Martian surface was likethat of the Moon’s in that it was pockmarked by moonlike craters and was dry and apparently dead
Use of WHICH to modify an idea presented in earlier sentence is incorrect. Use of THAT leads to Redundancy.
...






