Answer answer answer answer answer answer

1 : Newton's second law should be correct.

2 : New moon, waxing crescent, first quarter, waxing gibbous, full moon.

Hope this helps,

Davinia.

Newton's second law should be correct.  

 New moon, waxing crescent, first quarter, waxing gibbous, full moon.

Explanation:

answer; the above answer to the above statement is (true)

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."