Because the moon's distance from Earth varies, so the gravitational pull between the two bodies differ, as do the size and times of oceanic tides.
A. so the gravitational pull between the two bodies differ
B. so the gravitational pull between the two bodies differs
C. the gravitational pull between the two bodies differs
D. therefore the gravitational pull between the two bodies differ
E. therefore the gravitational pull between the two bodies differs
OA: C
What's wrong with options B and D? Can any experts explain?
A. so the gravitational pull between the two bodies differ
B. so the gravitational pull between the two bodies differs
C. the gravitational pull between the two bodies differs
D. therefore the gravitational pull between the two bodies differ
E. therefore the gravitational pull between the two bodies differs
OA: C
What's wrong with options B and D? Can any experts explain?
