Answer:
B number is your answer thas correct
Answer:
can you shoot it better because it is quite blurry
The equation is balanced because the mass and charge are equal on both sides of the reaction equation.
In a nuclear reaction, one nucleus is transformed into another. In this case of the equation shown, the radon nucleus is being transformed into a polonium nucleus with the emission of an alpha particle.
The equation is balanced because a total mass of 219 is found on both sides of the reaction equation and a total charge of 86. Recall that an alpha particle is the same as a helium nucleus with a mass of four units and a charge of two units.
Learn more: brainly.com/question/13440572
Sexual reproduction leads to genetic variation because the sperm and egg that are produced contain different combination of genes than the parent organisms. sexual reproduction involves meiosis which is in the process of a cell doubling its DNA.
