What events caused the formation of most islands in the South Pacific?

1 answer:

4 0

The answer is D. Because most islands have dormant volcanoes

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Whitepunk [10]

<h2>Answer:</h2><h3>Part 1. </h3>

Option B is correct option.

The half-reaction 2MnO2 + H2O + 2e- Mn2O3 is missing OH- ions.

Explanation:

Full equation:

2MnO2 + H2O + 2e- → Mn2O3 + 2OH-

The option B which is Mg is stronger reducing agent than Ag is correct option.

Explanation:

Equation:

Mg(s) + 2Ag+ (aq) → Mg2+ (aq) + 2Ag(s)

According to equation Mg converts to Mg+2 which means it gives to electron to reduce Ag. So it act as an reducing agent.

The correct option is B. Which is 5, 1, 8, 5, 1, 4.

Explanation:

Full equation :

5 Fe²⁺ (aq) + MnO₄⁻ (aq) + 8 H⁺ (aq) --> 5 Fe³⁺ (aq) + Mn²⁺ (aq) + 4 H₂O (l)

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5 0

3 years ago

Iteru [2.4K]

True

Explanation:

Magnetism is the ability of a material to be attracted by a magnet or to act like a magnetic material.

Magnetism is exhibited by a wide range of substances.
In fact, the earth behaves like a bar magnet.
A magnet usually have a magnetic field round them and they exert their forces in this regions.
Magnets are used for a wide range of functions like in fans and rotors.
Substances can lose their magnetic ability when exposed to high temperatures and electrically.

Learn more:

#learnwithBrainly

8 0

3 years ago

Anastasy [175]

Answer:

The correct option is B

Explanation:

The reaction is given as

$Glucose\ 6-phosphate ---->fractose \ 6-phosphate$