<h3><u>Answer;</u></h3>
Iron cannot release energy by fusion.
<h3><u>Explanation;</u></h3>
- Supernovae are some of the most magnificent events in the cosmos. When a massive star dies, it can result in a spectacular explosion many times that of man's total nuclear arsenal.
- When a star has used up all the lighter elements and has just iron left, it has no more nuclear "fuel". That causes the star to contract then explode very violently as a supernova.
Answer:
Cubic meters is the unit of volume.
Explanation:
Volume :
Volume is the multiplication of height, width and length of the solids.
In mathematically term,

Where, w = width
h = height
l = length
Put the unit into the formula


This is the unit of volume.
We know that,
Square meters is the unit of area.
Liters per cubic gram is the unit of density.
Gram per cubic centimeter is the unit of density in CGS.
Hence, Cubic meters is the unit of volume.
Answer:
April to June
Explanation:
Not really an explanation, I just know it.
The direction of force, when electric current and magnetic field direction given is at 90° to the plane containing current I and Magnetic field B.
<h3>What is magnetic force?</h3>
The force of attraction or repulsion experienced by a magnetic material when it enters the magnetic field.
When a wire with an electric current I is placed in a magnetic field of strength B it experiences a magnetic force F.
According to the Fleming's right hand rule, the direction can be determined by knowing any two parameter's direction.
Thus, The direction of force is at 90° to the plane containing current I and Magnetic field B.
Learn more about magnetic force.
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