Question

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Answer 1

Answer:

Explanation:

1.gases,dust

2.water, sea animals (fishes etc)

3.salt water, pearls and gems

4. glaciers ,ice and coniferous trees

Answer 2

Explanation:

1. 78 percent nitrogen, 21 percent oxygen,
2. 96.5 percent water, 2.5 percent salts,
3. The most abundant solid dissolved in seawater is sodium chloride. The water also contains salts of magnesium, calcium, potassium, and mercury, amongst many other elements, some in minute concentrations.
4. sedimentary rock and metamorphic rock