Which statement best explains lamarcks theory of acquired characteristics as it relates to the neck length of giraffe

There are no choices available but, based on the theory mentioned in the question, giraffes developed long necks because the food that they primarily consumed also evolved or has grown through time. The need to feed and survived probably led the giraffes DNA to decode and adapt within its surroundings, hence making giraffes have long necks that precedes the evolution of the plant that they eat.

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