Hola me pueden ayudar en una tarea neceito averiguar el area y perimetro de una tarjeta de identidad por favor

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.

What is the name for the remnant of an asymptotic giant that has lost its shells? black dwarf white dwarf yellow giant black hole

When using the scientist method, which step comes last?