The Apollo 13 was the 3rd mission to land the moon. The explosion of the oxygen tank effected this because the crew was forced to orbit the moon and land safely back to Earth without landing on the moon
To modify something, we use an adjective. Like for example: The tree had an apple. Modified version: The "Big" tree had a "Red" apple.
the answer is "Shlemiel's treatment of the dog shows that Shlemiel is a kind, tender person.'
