I have completed most of this crossword puzzle, except these few.
1.Far below the surface of the sea, generally by thousands of feet. (2words)9Letters with an "G" as the first letter. G_ _ _ _ _ _ _ _
2. A compound that contains the element represented by the chemical symbol "S". 7Letters with an "E" as the fourth letter._ _ _ E_ _ _
3. Type of sediment stratification where grain size gradually changes.(2 words)13Letters with an "A" as the third letter, a " D" as sixth letter, a "D" as ninth letter and a "G" as the last letter. _ _A_ _D_ _D_ _ _G
4. A large submarine mountain that rises thousand of feet above the ocean floor.(8Letters) with a "C" as the first letter, an"O" as the fifth letter and a "T" as the last letter. C_ _ _O_ _T
ANY HELP WOULD BE GREATLY APPRECIATED![]()