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hram777 [196]
3 years ago
14

Which of the following are responsible for surface currents a. the wind and density

Chemistry
2 answers:
SCORPION-xisa [38]3 years ago
7 0
B-wind and the earth's rotation
GREYUIT [131]3 years ago
4 0

Answer: b. wind and the earth rotation

Explanation:

The surface oceanic water currents originates in the water due to the wind currents blowing over the surface of the water creating a specific pattern in the water and the other factor responsible is spinning motion of the earth. The surface oceanic currents forms a large circular pattern in the water that is called as gyre.

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The reaction of iron with oxygen to form iron oxide is an example of an oxidation–reduction reaction: 4fe + 3o2 → 2fe2o3. in thi
nadya68 [22]

Answer:-

Oxygen gains electrons and is reduced.

Explanation:-

For this reaction the balanced chemical equation is

4Fe + 3O2 --> 2Fe2O3

When Oxygen is present as oxygen gas, the oxidation number of O is Zero since it is the only element present in Oxygen gas.

Similarly Iron is present in Fe with oxidation number Zero.

In the case of Fe2O3, Oxygen has the oxidation number -2 while Iron has +3.

So the oxidation number of Oxygen goes from Zero to -2.

Since the oxidation number decreases Oxygen is reduced.

Since reduction involves gain of electrons, Oxygen gains electrons.

4 0
3 years ago
Your chemistry lab partner is interested in studying how industrial chemicals can pollute the environment. What type of chemistr
Solnce55 [7]

Answer:

I would recommend them becoming an Analytical Chemist because Analytical Chemists examine and identify various elements and compounds to find out the composition, structure, and nature of substances and they determine the concentration of chemical pollutants in soil, water,and air. I would recommend taking inorganic, organic, analytical, and physical chemistry as well as computer science, physics, and environmental science

3 0
3 years ago
Why does my hand get cold when I pick up a snowball?
Kitty [74]

Answer:

Cause snow is cold.

Explanation:

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7 0
3 years ago
Where do convection currents form?
pshichka [43]

Answer:

I think it's C

<u>Convection currents are identified in Earth's mantle. Heated mantle material is shown rising from deep inside the mantle, while cooler mantle material sinks, creating a convection current. It is thought that this type of current is responsible for the movements of the plates of Earth's crust.</u>

8 0
2 years ago
you are given a cube with a length of 2.5 cm a width of 2.5 and a height of 2.5cm you place it on a scale and it's mass is 295g
Rama09 [41]
Density (p) = Mass / volume 

P=295/15.625

=18.88

therefore p=18.88
3 0
3 years ago
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