IMO D.

(C ) shows that roads with stringent requirements are more dangerous hence the seatsbelts still help to reduce accidents.

I accidentally posted twice

IMO C, because "interacted with" seems to be the correct idiom. It is also parallel "With X more often than with Y"

I intially thought D but I'm going with C. A)This contradicts passage which says "two-thirds of income" is paid to workers. B)This contradicts passage since "1/3 goes to capital goods" and "2/3 goes to worker wages" and "remaining 1/3 to owners" C) Since "...

IMO (D) . A) Too narrow. This only covered in paragraph 2. B) don't recall any large focus on plankton. One word wrong = all wrong C) Tropical seas wrong, plankton located in reefs. D) Strong Answer: Molluscs introduced first, spoken more about in second, and third method of feeding. E) couldnt find...

I am going with C because I used numbers to test. Number of trees 10, number of leaves per tree 9. If each tree had different number of leaves, 9,8,7,6,5,4,3,2,1 you'll have one left over that needs to have same number of leaves as the other 9 in order for leaves per tree to be less than trees.

I also that A since it said "may be predicted" as premise says "wolves can double every year" but after seeing explanation, can see how this is contradicted by second sentence. It makes more sense now why D would be correct.