Which statement correctly identifies structures 1 and 2 in the diagram? Structure 1 is an unstable atom that turns into structure 2, a new atom.
Structure 1 is a stable element that breaks down into structure 2, an unstable element.
Structure 1 is a radioactive element that loses particles to create structure 2, released energy.
Structure 1 is a radioactive atom that decays into structure 2, half of the original unstable element.

HELP PLS

To solve this system of equations by elimination, what operation could be used to eliminate the y-variable and find the value of x? 6x + 5y = 2 4x + 2y = 8 a) subtract 2 times the second equation from 3 times the first equation b) subtract 3 times the second equation from 2 times the first equation c) subtract 5 times the second equation from 2 times the first equation d) subtract 2 times the second equation from 5 times the first equation