Acrane lugs a cargo box 10m off the ground. if the crane lifts the cargo box twice as higher the potential energy will increase by?

It is evolution, because we all have some of the same traits like eye color or shape or ears.

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass

Simple multiply 45 units by $0.99you'll get $44.55