The period of physical changes to sex characteristics that marks the beginning of adolescence in males and females is Puberty.
This question involves the concepts of Newton's Law of Gravitation and mass.
The force on Procyon A from Procyon B will be "equal" to the force on Procyon B from Procyon A, which has a value of "3.75 x 10²⁶ N".
Applying Newton's Law of Gravitation, we can find the force on Procyon A from Procyon B, which is equal to the force on Procyon B from Procyon A:

where,
F = force = ?
G = universal gravitational constant = 6.67 x 10⁻¹¹ N.m²/kg²
m₁ = mass of Procyon A = 3 x 10³⁰ kg
m₂ = mass of Procyon B = (2.5)(3 x 10³⁰ kg) = 7.5 x 10³⁰ kg
r = distance between them = 2 x 10¹² m
Therefore,

<u>F = 3.75 x 10²⁶ N</u>
Learn more about Newton's Law of Gravitation here:
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Electrical energy is a particle that moves through a wire and transferred into homes, work, etc to make electricity work in objects.
<span>The Naturalization Test</span>