Which of the following pairs of factors are most directly responsible for increasing the concentration of salt in the ocean?
a.
condensation and sea breezes
b.
transpiration and weathering
c.
infiltration and delta formation
d.
evaporation and iceberg formation

D. evaporation and iceberg formation

because weathering rocks are mde up of salt and minerals creating iceberg formations and the evaporation density changes throughout concentration in the ocean.

i believe you are right for all except the 3rd ( look at sqdancefan his answer is much better)

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

hope this : )